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		| @@ -1,153 +0,0 @@ | ||||
| --- | ||||
| title: "〇、R语言实践前篇" | ||||
| subtitle: 《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution | ||||
| author: 苏命、王为东<br>中国科学院大学资源与环境学院<br>中国科学院生态环境研究中心 | ||||
| date: today | ||||
| lang: zh | ||||
| format: | ||||
|   revealjs: | ||||
|     theme: dark | ||||
|     slide-number: true | ||||
|     chalkboard: | ||||
|       buttons: true | ||||
|     preview-links: auto | ||||
|     lang: zh | ||||
|     toc: true | ||||
|     toc-depth: 1 | ||||
|     toc-title: 大纲 | ||||
|     logo: ./_extensions/inst/img/ucaslogo.png | ||||
|     css: ./_extensions/inst/css/revealjs.css | ||||
|     pointer: | ||||
|       key: "p" | ||||
|       color: "#32cd32" | ||||
|       pointerSize: 18 | ||||
| revealjs-plugins: | ||||
|   - pointer | ||||
| filters: | ||||
|   - d2 | ||||
| --- | ||||
|  | ||||
| ```{r} | ||||
| #| include: false | ||||
| #| cache: false | ||||
| lang <- "cn" | ||||
| require(tidyverse) | ||||
| knitr::opts_chunk$set(echo = TRUE) | ||||
| ``` | ||||
|  | ||||
| ## R语言实践部分课程简介 | ||||
|   | ||||
| **接下来的课程由我来带着大家一起学习、实践基于R语言的数据分析。** | ||||
|  | ||||
| ### 自我介绍 | ||||
|  | ||||
| - 苏命:来自中国科学院生态环境研究中心 | ||||
| - 主要从事**水源水质水生态**方面的研究 | ||||
|  | ||||
| ### 课件 | ||||
|  | ||||
| - 采用`R语言`+`quarto`完成 | ||||
| - 网页公开:[https://drwater.rcees.ac.cn/course/public/RWEP/\@PUB/index.html](https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/index.html) | ||||
| - 课件代码:[https://drwater.rcees.ac.cn/git/course/RWEP.git](https://drwater.rcees.ac.cn/git/course/RWEP.git) | ||||
| - 代码web界面: [https://on.tty-share.com/s/hWkn5_eF6rfZuAyJu8sheMgrcRzx6AZ2m7V32IphFHs7gn-vP9WYOeVEYtH8a-bGTuM/](https://on.tty-share.com/s/hWkn5_eF6rfZuAyJu8sheMgrcRzx6AZ2m7V32IphFHs7gn-vP9WYOeVEYtH8a-bGTuM/) | ||||
|  | ||||
| ## 如何学习接下来的内容? | ||||
|  | ||||
| - 上课形式: | ||||
|   - **实践操作为主**,目的是让每一位同学都能独立开展基于R的数据分析 | ||||
|   - **2-3人一组**,自由分组,相互帮助 | ||||
| - 准备工作: | ||||
|   - 个人笔记本电脑,Microsoft Windows、GNU/Linux、MacOS系统 | ||||
|   - 安装好**Microsoft Excel** | ||||
|   - 能联网 | ||||
|   - 如果电池不够用,建议带上插座 | ||||
| - 上课规则 | ||||
|   - 可随时打断,**不懂就问** | ||||
|   - **无特殊情况不迟到**,否则操作过程容易跟不上 | ||||
|  | ||||
| ## Rstudio Server使用 | ||||
|  | ||||
| - 服务网址:[https://drwater.rcees.ac.cn/rs1/](https://drwater.rcees.ac.cn/rs1/) | ||||
| - 每位同学使用1个账号,随机生成 | ||||
| - 密码:**** | ||||
| - 后面的实践课程可在该服务器上完成 | ||||
|  | ||||
|  | ||||
| ## 请记住自己的账号! | ||||
|  | ||||
| ::: {layout-ncol=2} | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| #| output: asis | ||||
| coursememberdf <- readxl::read_xlsx("../../data/course_member.xlsx") | ||||
| nmem <- nrow(coursememberdf) | ||||
| set.seed <- 23 | ||||
|  | ||||
| uiddf <- coursememberdf |> | ||||
|   dplyr::mutate(uid = paste0("ruser", sprintf("%02d", sample(1:nmem, nmem)))) |> | ||||
|   dplyr::select(uid, 姓名) |> | ||||
|   dplyr::mutate(姓名 = "**") |> | ||||
|   dplyr::arrange(uid) |> | ||||
|   dplyr::mutate(group = (dplyr::row_number() - 1) %/% 10 + 1) |> | ||||
|   tidyr::nest(gdf = -group) |> | ||||
|   dplyr::mutate(tab = purrr::map(gdf, ~ knitr::kable(.x))) | ||||
|  | ||||
| uiddf$tab[[1]] | ||||
| uiddf$tab[[2]] | ||||
|  | ||||
| ``` | ||||
| ::: | ||||
|  | ||||
| ## 请记住自己的账号! | ||||
|  | ||||
| ::: {layout-ncol=2} | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| #| output: asis | ||||
|  | ||||
| uiddf$tab[[3]] | ||||
| uiddf$tab[[4]] | ||||
| ``` | ||||
| ::: | ||||
|  | ||||
| ## 课后作业 | ||||
|  | ||||
| 提交形式:`第*次作业_姓名.qmd`文件 | ||||
|  | ||||
| 模板: | ||||
|  | ||||
| ```` | ||||
| --- | ||||
| title: "课后作业*" | ||||
| author: 姓名 | ||||
| --- | ||||
|  | ||||
|  | ||||
| # 第1题 | ||||
|  | ||||
| 说明 | ||||
|  | ||||
| ```{r} | ||||
| # Here is the code | ||||
|  | ||||
| ``` | ||||
|  | ||||
| # 第2题 | ||||
|  | ||||
| 说明 | ||||
|  | ||||
| ```{r} | ||||
| # Here is the code | ||||
|  | ||||
| ``` | ||||
|  | ||||
| ```` | ||||
|  | ||||
|  | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
|  | ||||
| @@ -218,4 +218,4 @@ devtools::install_github("kjhealy/socviz") | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "../")` | ||||
|   | ||||
| @@ -792,4 +792,4 @@ names(Y) <- c("colA", "colB", "colC") | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "../")` | ||||
|   | ||||
| @@ -130,4 +130,4 @@ require(learnr) | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "../")` | ||||
|   | ||||
							
								
								
									
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							| @@ -0,0 +1 @@ | ||||
| ../../_extensions | ||||
							
								
								
									
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							| @@ -0,0 +1,157 @@ | ||||
| --- | ||||
| title: "代码编写规则" | ||||
| subtitle: 《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution | ||||
| author: 苏命、王为东<br>中国科学院大学资源与环境学院<br>中国科学院生态环境研究中心 | ||||
| date: today | ||||
| lang: zh | ||||
| format: | ||||
|   revealjs: | ||||
|     theme: dark | ||||
|     slide-number: true | ||||
|     chalkboard: | ||||
|       buttons: true | ||||
|     preview-links: auto | ||||
|     lang: zh | ||||
|     toc: true | ||||
|     toc-depth: 1 | ||||
|     toc-title: 大纲 | ||||
|     logo: ./_extensions/inst/img/ucaslogo.png | ||||
|     css: ./_extensions/inst/css/revealjs.css | ||||
|     pointer: | ||||
|       key: "p" | ||||
|       color: "#32cd32" | ||||
|       pointerSize: 18 | ||||
| revealjs-plugins: | ||||
|   - pointer | ||||
| filters: | ||||
|   - d2 | ||||
| --- | ||||
|  | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| knitr::opts_chunk$set(echo = TRUE) | ||||
| # source("../../coding/_common.R") | ||||
| library(tidyverse) | ||||
| library(nycflights13) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## tidy data | ||||
|  | ||||
| ```{r} | ||||
| knitr::include_graphics("../../image/tidy-1.png", dpi = 270) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## pipe(管道) |> | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
| require(patchwork) | ||||
| plot(1:10) | ||||
| 1:10 |> plot() | ||||
| plot(x = 1:10, y = sin(1:10)) | ||||
| 1:10 |> plot(y = sin(1:10)) | ||||
|  | ||||
| ``` | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| #| layout-nrow: 1 | ||||
| #| fig-width: 4 | ||||
| #| fig-height: 3 | ||||
| #| out-height: 90% | ||||
| require(patchwork) | ||||
| plot(1:10) | ||||
| 1:10 |> plot() | ||||
| plot(x = 1:10, y = sin(1:10)) | ||||
| 1:10 |> plot(y = sin(1:10)) | ||||
|  | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
| ## pipe(管道):%>% | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
| #| layout-nrow: 1 | ||||
| #| fig-width: 3 | ||||
| #| fig-height: 4 | ||||
| #| out-height: 125% | ||||
| require(magrittr) | ||||
| 1:10 %>% plot() | ||||
| 1:10 %>% plot(y = sin(1:10)) | ||||
| sin(1:10) %>% plot(1:10, .) | ||||
| sin(1:10) |> plot(x = 1:10, y = _) | ||||
|  | ||||
| ``` | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| #| layout-nrow: 1 | ||||
| #| fig-width: 3 | ||||
| #| fig-height: 4 | ||||
| #| out-height: 125% | ||||
| require(magrittr) | ||||
| 1:10 %>% plot() | ||||
| 1:10 %>% plot(y = sin(1:10)) | ||||
| sin(1:10) %>% plot(1:10, .) | ||||
| sin(1:10) |> plot(x = 1:10, y = _) | ||||
|  | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 代码编写规则 | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
|  | ||||
| # Strive for: | ||||
| short_flights <- flights |> filter(air_time < 60) | ||||
| # Avoid: | ||||
| SHORTFLIGHTS <- flights |> filter(air_time < 60) | ||||
|  | ||||
| # Strive for | ||||
| z <- (a + b)^2 / d | ||||
| # Avoid | ||||
| z<-( a + b ) ^ 2/d | ||||
|  | ||||
| # Strive for | ||||
| mean(x, na.rm = TRUE) | ||||
| # Avoid | ||||
| mean (x ,na.rm=TRUE) | ||||
| ``` | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
| flights|>filter(dest=="IAH")|> | ||||
|   group_by(year,month,day)|>summarize(n=n(), | ||||
| delay=mean(arr_delay,na.rm=TRUE))|>filter(n>10) | ||||
|  | ||||
| flights|>filter(carrier=="UA", | ||||
|   dest%in%c("IAH","HOU"),sched_dep_time> | ||||
| 0900,sched_arr_time<2000)|>group_by(flight)|> | ||||
|   summarize(delay=mean( | ||||
| arr_delay,na.rm=TRUE),cancelled=sum(is.na(arr_delay)), | ||||
|     n=n())|>filter(n>10) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## quarto | ||||
|  | ||||
|   | ||||
|  | ||||
|  | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "../")` | ||||
|  | ||||
							
								
								
									
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							| @@ -0,0 +1 @@ | ||||
| ../../_extensions | ||||
							
								
								
									
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							| @@ -0,0 +1,310 @@ | ||||
| --- | ||||
| title: "Data import" | ||||
| subtitle: 《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution | ||||
| author: 苏命、王为东<br>中国科学院大学资源与环境学院<br>中国科学院生态环境研究中心 | ||||
| date: today | ||||
| lang: zh | ||||
| format: | ||||
|   revealjs: | ||||
|     theme: dark | ||||
|     slide-number: true | ||||
|     chalkboard: | ||||
|       buttons: true | ||||
|     preview-links: auto | ||||
|     lang: zh | ||||
|     toc: true | ||||
|     toc-depth: 1 | ||||
|     toc-title: 大纲 | ||||
|     logo: ./_extensions/inst/img/ucaslogo.png | ||||
|     css: ./_extensions/inst/css/revealjs.css | ||||
|     pointer: | ||||
|       key: "p" | ||||
|       color: "#32cd32" | ||||
|       pointerSize: 18 | ||||
| revealjs-plugins: | ||||
|   - pointer | ||||
| filters: | ||||
|   - d2 | ||||
| --- | ||||
|  | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| knitr::opts_chunk$set(echo = TRUE) | ||||
| source("../../coding/_common.R") | ||||
| library(tidyverse) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## tidyverse风格数据分析总体流程 | ||||
|  | ||||
|  | ||||
|   | ||||
|  | ||||
|  | ||||
| ## 导入csv数据 | ||||
|  | ||||
| ```{r} | ||||
| read_lines("../../data/students.csv") |> cat(sep = "\n") | ||||
| ``` | ||||
|  | ||||
| ## 导入csv数据 | ||||
|  | ||||
|  | ||||
| ```{r} | ||||
| read_csv("../../data/students.csv") |> | ||||
|   knitr::kable() | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 读取数据 | ||||
|  | ||||
| ```{r} | ||||
| (students <- read_csv("../../data/students.csv")) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 读取数据 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
| (students <- read_csv("../../data/students.csv", na = c("N/A", ""))) | ||||
| ``` | ||||
|  | ||||
| ## 列名不要有空格 | ||||
|  | ||||
| ```{r} | ||||
| students |>  | ||||
|   rename( | ||||
|     student_id = `Student ID`, | ||||
|     full_name = `Full Name` | ||||
|   ) | ||||
| ``` | ||||
|  | ||||
| ## `janitor`处理空格 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
|  | ||||
| students |> janitor::clean_names() | ||||
| ``` | ||||
|  | ||||
| ## `janitor`处理空格 | ||||
|  | ||||
| ```{r} | ||||
| students |> | ||||
|   janitor::clean_names() |> | ||||
|   mutate(meal_plan = factor(meal_plan)) | ||||
| ``` | ||||
|  | ||||
| ## `janitor`处理空格 | ||||
|  | ||||
| ```{r} | ||||
| students <- students |> | ||||
|   janitor::clean_names() |> | ||||
|   mutate( | ||||
|     meal_plan = factor(meal_plan), | ||||
|     age = parse_number(if_else(age == "five", "5", age)) | ||||
|   ) | ||||
| students | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 直接录入 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
|  | ||||
| read_csv( | ||||
|   "The first line of metadata | ||||
|   The second line of metadata | ||||
|   x,y,z | ||||
|   1,2,3", | ||||
|   skip = 2 | ||||
| ) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 直接录入 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
| read_csv( | ||||
|   "# A comment I want to skip | ||||
|   x,y,z | ||||
|   1,2,3", | ||||
|   comment = "#" | ||||
| ) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 指定列名 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
|  | ||||
| read_csv( | ||||
|   "1,2,3 | ||||
|   4,5,6", | ||||
|   col_names = c("x", "y", "z") | ||||
| ) | ||||
| ``` | ||||
|  | ||||
| ## 指定列的类型 | ||||
|  | ||||
| ```{r} | ||||
| another_csv <- " | ||||
| x,y,z | ||||
| 1,2,3" | ||||
|  | ||||
| read_csv( | ||||
|   another_csv,  | ||||
|   col_types = cols(.default = col_character()) | ||||
| ) | ||||
| read_csv( | ||||
|   another_csv, | ||||
|   col_types = cols_only(x = col_character()) | ||||
| ) | ||||
| ``` | ||||
|  | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
|  | ||||
| read_csv("a,b\n1,2,3\n4,5,6") | ||||
| read_csv("a,b,c\n1,2\n1,2,3,4") | ||||
| read_csv("a,b\n\"1") | ||||
| read_csv("a,b\n1,2\na,b") | ||||
| read_csv("a;b\n1;3") | ||||
| ``` | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
| ```{r} | ||||
| #| eval: false | ||||
| annoying <- tibble( | ||||
|   `1` = 1:10, | ||||
|   `2` = `1` * 2 + rnorm(length(`1`)) | ||||
| ) | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 批量读取 | ||||
|  | ||||
| ```{r} | ||||
| #| message: false | ||||
|  | ||||
| sales_files <- c("../../data/01-sales.csv", | ||||
|   "../../data/02-sales.csv", | ||||
|   "../../data/03-sales.csv") | ||||
| read_csv(sales_files, id = "file") | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 读取Excel,建议用`readxl`包 | ||||
|  | ||||
| ```{r} | ||||
| (surveydf <- readxl::read_xlsx("../../data/survey.xlsx")) | ||||
| ``` | ||||
|  | ||||
| ## 读取Excel | ||||
|  | ||||
| ```{r} | ||||
| (airqualitydf <- readxl::read_xlsx("../../data/airquality.xlsx", sheet = 2)) | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 批量读取 | ||||
|  | ||||
| ```{r} | ||||
| sales_files <- list.files("../../data", | ||||
|   pattern = "sales\\.csv$", full.names = TRUE) | ||||
| sales_files | ||||
| ``` | ||||
|  | ||||
| ## 写入csv | ||||
|  | ||||
| ```{r} | ||||
| #| warning: false | ||||
| #| message: false | ||||
| students | ||||
| write_csv(students, "students-2.csv") | ||||
| read_csv("students-2.csv") | ||||
| ``` | ||||
|  | ||||
| ## 写入Excel | ||||
|  | ||||
| ```{r} | ||||
| writexl::write_xlsx(students, "../../data/writexldemo.xlsx") | ||||
| ``` | ||||
|  | ||||
| ## 读取数据库,以MySQL为例 | ||||
|  | ||||
| ```{r} | ||||
| if (FALSE) { | ||||
|   conn <- cctdb::get_dbconn("nationalairquality") | ||||
|   DBI::dbListTables(conn) | ||||
| } | ||||
| ``` | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 读取数据库,以MySQL为例 | ||||
|  | ||||
| ```{r} | ||||
| if (FALSE) { | ||||
|   conn <- cctdb::get_dbconn("nationalairquality") | ||||
|   metadf <- tbl(conn, "metadf") |>  | ||||
|     head(100) |> | ||||
|     collect() | ||||
|   DBI::dbDisconnect(conn) | ||||
|   saveRDS(metadf, file = "../../data/metadfdemo.RDS") | ||||
| } | ||||
| metadf <- readRDS(file = "../../data/metadfdemo.RDS") | ||||
| lang <- "cn" | ||||
| metadf |> | ||||
|   ggplot(aes(lon, lat)) + | ||||
| geom_point(aes(fill = Area)) + | ||||
| dwfun::theme_sci() | ||||
| ``` | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
| ```{r} | ||||
| #| include: false | ||||
| #| eval: false | ||||
| if (FALSE) { | ||||
|   conn <- cctdb::get_dbconn("nationalairquality") | ||||
|   metadf <- tbl(conn, "metadf") |>  | ||||
|     collect() | ||||
|   DBI::dbDisconnect(conn) | ||||
|   metanestdf <- metadf |> | ||||
|     nest(citydf = -Area) | ||||
|   names(metanestdf$citydf) <- metanestdf$Area | ||||
|   writexl::write_xlsx(metanestdf$citydf, path = "../../data/meta_city.xlsx") | ||||
|   dir.create("../../data/metacity/") | ||||
|   metanestdf |> | ||||
|     mutate(flag = purrr::map2(Area, citydf, | ||||
|       ~ writexl::write_xlsx(.y, | ||||
|         path = paste0("../../data/metacity/", .x, ".xlsx") | ||||
|       ))) | ||||
| } | ||||
| ``` | ||||
|  | ||||
| 1. 从“../../data/sales.xlsx”读取第9到13行的数据 | ||||
| 2. 从“../../data/meta_city.xlsx”读取所有的数据,并保存至“../../data/meta_city_onetable1.xlsx” | ||||
| 3. 从“../../data/metacity/”读取所有的数据,并保存至“../../data/meta_city_onetable2.xlsx” | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "../")` | ||||
|  | ||||
							
								
								
									
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							| @@ -0,0 +1,7 @@ | ||||
| student_id,full_name,favourite_food,meal_plan,age | ||||
| 1,Sunil Huffmann,Strawberry yoghurt,Lunch only,4 | ||||
| 2,Barclay Lynn,French fries,Lunch only,5 | ||||
| 3,Jayendra Lyne,NA,Breakfast and lunch,7 | ||||
| 4,Leon Rossini,Anchovies,Lunch only,NA | ||||
| 5,Chidiegwu Dunkel,Pizza,Breakfast and lunch,5 | ||||
| 6,Güvenç Attila,Ice cream,Lunch only,6 | ||||
| 
 | 
							
								
								
									
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| ../../_extensions | ||||
							
								
								
									
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| ../../_extensions | ||||
							
								
								
									
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							| @@ -0,0 +1,153 @@ | ||||
| --- | ||||
| title: "正则表达式" | ||||
| subtitle: 《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution | ||||
| author: 苏命、王为东<br>中国科学院大学资源与环境学院<br>中国科学院生态环境研究中心 | ||||
| date: today | ||||
| lang: zh | ||||
| format: | ||||
|   revealjs: | ||||
|     theme: dark | ||||
|     slide-number: true | ||||
|     chalkboard: | ||||
|       buttons: true | ||||
|     preview-links: auto | ||||
|     lang: zh | ||||
|     toc: true | ||||
|     toc-depth: 1 | ||||
|     toc-title: 大纲 | ||||
|     logo: ./_extensions/inst/img/ucaslogo.png | ||||
|     css: ./_extensions/inst/css/revealjs.css | ||||
|     pointer: | ||||
|       key: "p" | ||||
|       color: "#32cd32" | ||||
|       pointerSize: 18 | ||||
| revealjs-plugins: | ||||
|   - pointer | ||||
| filters: | ||||
|   - d2 | ||||
| --- | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| knitr::opts_chunk$set(echo = TRUE) | ||||
| source("../../coding/_common.R") | ||||
| library(nycflights13) | ||||
| library(tidyverse) | ||||
|  | ||||
| ``` | ||||
|  | ||||
| ## 匹配数字 | ||||
|  | ||||
| ### 匹配数字: | ||||
|  | ||||
| - \d:匹配任意数字字符。 | ||||
| - \d+:匹配一个或多个数字字符。 | ||||
| - [0-9]: 匹配数字 | ||||
|  | ||||
| ### 匹配字母: | ||||
|  | ||||
| - \w:匹配任意字母、数字或下划线字符。 | ||||
| - \w+:匹配一个或多个字母、数字或下划线字符。 | ||||
|  | ||||
| ## 匹配数字 | ||||
|  | ||||
| ### 匹配空白字符: | ||||
|  | ||||
| - \s:匹配任意空白字符,包括空格、制表符、换行符等。 | ||||
| - \s+:匹配一个或多个空白字符。 | ||||
|  | ||||
| ### 匹配特定字符: | ||||
|  | ||||
| - [abc]:匹配字符 a、b 或 c 中的任意一个。 | ||||
| - [a-z]:匹配任意小写字母。 | ||||
| - [A-Z]:匹配任意大写字母。 | ||||
| - [0-9]:匹配任意数字。 | ||||
|  | ||||
| ## 匹配数字 | ||||
|  | ||||
| ### 匹配重复次数: | ||||
|  | ||||
| - {n}:匹配前一个字符恰好 n 次。 | ||||
| - {n,}:匹配前一个字符至少 n 次。 | ||||
| - {n,m}:匹配前一个字符至少 n 次,但不超过 m 次。 | ||||
|  | ||||
| ### 匹配边界: | ||||
|  | ||||
| - ^:匹配字符串的开头。 | ||||
| - $:匹配字符串的结尾。 | ||||
|  | ||||
| ## 匹配数字 | ||||
|  | ||||
| ### 匹配特殊字符: | ||||
|  | ||||
| - \:转义特殊字符,使其按字面意义匹配。 | ||||
| - .:匹配任意单个字符。 | ||||
| - |:表示“或”关系,匹配两个或多个表达式之一。 | ||||
|  | ||||
| #### 匹配次数: | ||||
|  | ||||
| - *:匹配前一个字符零次或多次。 | ||||
| - +:匹配前一个字符一次或多次。 | ||||
| - ?:匹配前一个字符零次或一次。 | ||||
|  | ||||
| ## 匹配数字 | ||||
|  | ||||
| ### 分组和捕获: | ||||
|  | ||||
| - ():将一系列模式组合成一个单元,可与特殊字符一起使用。 | ||||
|  | ||||
| ### 预定义字符集: | ||||
|  | ||||
| - \d:任意数字,相当于 [0-9]。 | ||||
| - \w:任意字母、数字或下划线字符,相当于 [a-zA-Z0-9_]。 | ||||
| - \s:任意空白字符,相当于 [ \t\n\r\f\v]。 | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 实例 | ||||
|  | ||||
| ```{r} | ||||
| library(babynames) | ||||
| (x <- c("apple", "apppple", "abc123def")) | ||||
| x[str_detect(x, "[0-9]")] | ||||
| x[str_detect(x, "abc[0-9]+")] | ||||
| x[str_detect(x, "pp")] | ||||
| x[str_detect(x, "p{4}")] | ||||
| x[str_detect(x, "p{4}")] | ||||
| x[str_detect("apple", "ap*")] | ||||
| x[str_detect("apple", "app*")] | ||||
| x[str_detect("apple", "a..le")] | ||||
| ``` | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
|  | ||||
| 找出`babyname`中名字含有ar的行 | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| babynames |> | ||||
|   filter(str_detect(name, "ar")) | ||||
| ``` | ||||
|  | ||||
| ## 练习 | ||||
|  | ||||
|  | ||||
| 找出`babyname`中名字含有ar或者以ry结尾的行。 | ||||
|  | ||||
| ```{r} | ||||
| #| echo: false | ||||
| babynames |> | ||||
|   filter(str_detect(name, "ar")) | ||||
| ``` | ||||
|  | ||||
|   | ||||
|  | ||||
|  | ||||
|  | ||||
|  | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
|  | ||||
							
								
								
									
										1
									
								
								SD/20240326_9_课后作业/_extensions
									
									
									
									
									
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										1
									
								
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							| @@ -0,0 +1 @@ | ||||
| ../../_extensions | ||||
							
								
								
									
										50
									
								
								SD/20240326_9_课后作业/index.qmd
									
									
									
									
									
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										50
									
								
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							| @@ -0,0 +1,50 @@ | ||||
| --- | ||||
| title: "课后作业7" | ||||
| subtitle: 《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution | ||||
| author: 苏命、王为东<br>中国科学院大学资源与环境学院<br>中国科学院生态环境研究中心 | ||||
| date: today | ||||
| lang: zh | ||||
| format: | ||||
|   revealjs: | ||||
|     theme: dark | ||||
|     slide-number: true | ||||
|     chalkboard: | ||||
|       buttons: true | ||||
|     preview-links: auto | ||||
|     lang: zh | ||||
|     toc: true | ||||
|     toc-depth: 1 | ||||
|     toc-title: 大纲 | ||||
|     logo: ./_extensions/inst/img/ucaslogo.png | ||||
|     css: ./_extensions/inst/css/revealjs.css | ||||
|     pointer: | ||||
|       key: "p" | ||||
|       color: "#32cd32" | ||||
|       pointerSize: 18 | ||||
| revealjs-plugins: | ||||
|   - pointer | ||||
| filters: | ||||
|   - d2 | ||||
| --- | ||||
|  | ||||
| ```{r} | ||||
| #| include: false | ||||
| #| cache: false | ||||
| lang <- "cn" | ||||
| require(tidyverse) | ||||
| require(learnr) | ||||
| ``` | ||||
|  | ||||
| ## 第7次课后作业 | ||||
|  | ||||
| 1. 根据`airqualitydf.xlsx`,按采样点统计周末2天与工作日5天中空气质量指数(AQI)中位数,按城市统计低于所有采样点AQI30%分位值的采样点占比,列出上述占比最高的10个城市(不考虑采样点数低于5个的城市)。 | ||||
| 2. 按照不同城市分组,统计周末2天与工作日5天AQI中位数是否具有显著差异。 | ||||
|  | ||||
| 作业模板:[第7次课后作业_模板.qmd](https://drwater.rcees.ac.cn/git/course/RWEP/raw/branch/main/SD/20240326_9_课后作业/第7次课后作业_模板.qmd) | ||||
|  | ||||
|  | ||||
| ## 欢迎讨论!{.center} | ||||
|  | ||||
|  | ||||
| `r rmdify::slideend(wechat = FALSE, type = "public", tel = FALSE, thislink = "https://drwater.rcees.ac.cn/course/public/RWEP/@PUB/SD/")` | ||||
|  | ||||
							
								
								
									
										25
									
								
								SD/20240326_9_课后作业/第7次课后作业_模板.qmd
									
									
									
									
									
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										25
									
								
								SD/20240326_9_课后作业/第7次课后作业_模板.qmd
									
									
									
									
									
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							| @@ -0,0 +1,25 @@ | ||||
| --- | ||||
| title: 课后作业7 | ||||
| author: 姓名 | ||||
| format: html | ||||
| --- | ||||
|  | ||||
|  | ||||
| # 示例问题,在R中输出`1+2+3+...+100`的结果 | ||||
|  | ||||
| 采用`for`循环完成,代码如下: | ||||
|  | ||||
| ```{r} | ||||
| total <- 0 | ||||
| for (i in 1:100) { | ||||
|   total <- total + i | ||||
| } | ||||
| total | ||||
| ``` | ||||
|  | ||||
|  | ||||
| # 根据`airqualitydf.xlsx`,按采样点统计周末2天与工作日5天中空气质量指数(AQI)中位数,按城市统计低于所有采样点AQI30%分位值的采样点占比,列出上述占比最高的10个城市(不考虑采样点数低于5个的城市)。 | ||||
|  | ||||
|  | ||||
|  | ||||
| # 按照不同城市分组,统计周末2天与工作日5天AQI中位数是否具有显著差异。 | ||||
							
								
								
									
										78
									
								
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							| @@ -0,0 +1,78 @@ | ||||
| #!/bin/bash | ||||
|  | ||||
| # 2024-03-26 | ||||
|  | ||||
| # - part: whole-game.qmd | ||||
| #   chapters: | ||||
| #     - data-visualize.qmd | ||||
| #     - workflow-basics.qmd | ||||
| #     - data-transform.qmd | ||||
| #     - workflow-style.qmd | ||||
| #     - data-tidy.qmd | ||||
| #     - workflow-scripts.qmd | ||||
| #     - data-import.qmd | ||||
| #     - workflow-help.qmd | ||||
|  | ||||
| # - part: visualize.qmd | ||||
| #   chapters: | ||||
| #     - layers.qmd | ||||
| #     - EDA.qmd | ||||
| #     - communication.qmd | ||||
|  | ||||
| # 2024-03-28 | ||||
|  | ||||
| # - part: transform.qmd | ||||
| #   chapters: | ||||
| #     - logicals.qmd | ||||
| #     - numbers.qmd | ||||
| #     - strings.qmd | ||||
| #     - regexps.qmd | ||||
| #     - factors.qmd | ||||
| #     - datetimes.qmd | ||||
| #     - missing-values.qmd | ||||
| #     - joins.qmd | ||||
| # | ||||
| # - part: import.qmd | ||||
| #   chapters: | ||||
| #     - spreadsheets.qmd | ||||
| #     - databases.qmd | ||||
| #     - arrow.qmd | ||||
| #     - rectangling.qmd | ||||
| #     - webscraping.qmd | ||||
|  | ||||
| # 2024-04-02 | ||||
|  | ||||
| # - part: program.qmd | ||||
| #   chapters: | ||||
| #     - functions.qmd | ||||
| #     - iteration.qmd | ||||
| #     - base-R.qmd | ||||
| # | ||||
| # - part: communicate.qmd | ||||
| #   chapters: | ||||
| #     - quarto.qmd | ||||
| #     - quarto-formats.qmd | ||||
|  | ||||
| r4dsdir="$HOME/research/r4ds" | ||||
|  | ||||
| datestr="20240326" | ||||
|  | ||||
| mkdir 20240326_1_data-visualize | ||||
| mkdir 20240326_2_workflow-basics | ||||
| mkdir 20240326_3_data-transform | ||||
| mkdir 20240326_4_workflow-style | ||||
| mkdir 20240326_5_data-tidy | ||||
| mkdir 20240326_6_workflow-scripts | ||||
| mkdir 20240326_7_data-import | ||||
| mkdir 20240326_8_workflow-help | ||||
|  | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/data-visualize.qmd >20240326_1_data-visualize/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/workflow-basics.qmd >20240326_2_workflow-basics/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/data-transform.qmd >20240326_3_data-transform/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/workflow-style.qmd >20240326_4_workflow-style/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/data-tidy.qmd >20240326_5_data-tidy/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/workflow-scripts.qmd >20240326_6_workflow-scripts/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/data-import.qmd >20240326_7_data-import/index.qmd | ||||
| awk '/```{r}/{print "\n##\n\n" $0; flag=1; next} /```/{flag=0} flag || /```/' "${r4dsdir}"/workflow-help.qmd >20240326_8_workflow-help/index.qmd | ||||
|  | ||||
| find * -type d | grep 0326 | xargs -I{} cp -r ./20240321_0_R实践课程/_extensions {}/ | ||||
| @@ -325,7 +325,7 @@ figure > figcaption { | ||||
|  | ||||
| .reveal pre code:hover{ | ||||
|     font-size: xx-large; | ||||
|   line-height: 150%; | ||||
|   line-height: 120%; | ||||
| } | ||||
|  | ||||
| section#title-slide p.subtitle { | ||||
|   | ||||
							
								
								
									
										0
									
								
								_extensions/inst/css/revealjs.css.orig
									
									
									
									
									
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										0
									
								
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								_quarto.yml
									
									
									
									
									
								
							
							
						
						
									
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							| @@ -1,52 +0,0 @@ | ||||
| project: | ||||
|   type: website | ||||
|   output-dir: www/ | ||||
|   render: | ||||
|     - "*.qmd" | ||||
|     - "!chp*.qmd" | ||||
|     - "!analysis/" | ||||
|     - "!*ignored.qmd" | ||||
|     - "!*ignored/" | ||||
|  | ||||
|  | ||||
| title: "区域水环境污染数据分析实践" | ||||
| lang: zh | ||||
| date: today | ||||
| bibliography: [BB/Ref.bib, BB/localRef.bib] | ||||
|  | ||||
| website: | ||||
|   title: "Version: {{< var branch >}}" | ||||
|   reader-mode: true | ||||
|   site-url: https://drwater.rcees.ac.cn/{{< var projtype >}}/{{< var pubtype >}}/{{< var reponame >}}/@{{< var branch >}} | ||||
|   repo-url: https://drwater.rcees.ac.cn/git/{{< var projtype >}}/{{< var reponame >}}/src/branch/{{< var branch >}} | ||||
|   repo-actions: [edit, source, issue] | ||||
|   page-navigation: true | ||||
|   page-footer: "Copyright 2024, [Ming Su](https://drwater.rcees.ac.cn)" | ||||
|   navbar: | ||||
|     background: "light" | ||||
|     search: true | ||||
|     right: | ||||
|       - icon: house | ||||
|         text: "Home" | ||||
|         file: index.qmd | ||||
|       - text: "Slides" | ||||
|         file: SD/index.qmd | ||||
|       - text: "About" | ||||
|         file: about.qmd | ||||
|       - icon: git | ||||
|         menu: | ||||
|           - text: Edit | ||||
|             url: https://drwater.rcees.ac.cn/git/{{< var projtype >}}/{{< var reponame >}}/_edit/ | ||||
|           - text: Issue | ||||
|             url: https://drwater.rcees.ac.cn/git/{{< var projtype >}}/{{< var reponame >}}/issues | ||||
|   comments:  | ||||
|     hypothesis: | ||||
|       theme: clean | ||||
|       openSidebar: false | ||||
|  | ||||
| format: | ||||
|   html: | ||||
|     theme: cosmo | ||||
|     css: _extensions/inst/css/style.css | ||||
|     toc: true | ||||
|     code-link: true | ||||
							
								
								
									
										55
									
								
								coding/_common.R
									
									
									
									
									
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										55
									
								
								coding/_common.R
									
									
									
									
									
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							| @@ -0,0 +1,55 @@ | ||||
| set.seed(1014) | ||||
|  | ||||
| # knitr::opts_chunk$set( | ||||
| # comment = "#>", | ||||
| # collapse = TRUE, | ||||
| # cache = TRUE, | ||||
| # fig.retina = 2, | ||||
| # fig.width = 6, | ||||
| # fig.asp = 2 / 3, | ||||
| # fig.show = "hold" | ||||
| # ) | ||||
|  | ||||
| # options( | ||||
| #   dplyr.print_min = 6, | ||||
| #   dplyr.print_max = 6, | ||||
| #   pillar.max_footer_lines = 2, | ||||
| #   pillar.min_chars = 15, | ||||
| #   stringr.view_n = 6, | ||||
| #   # Temporarily deactivate cli output for quarto | ||||
| #   cli.num_colors = 0, | ||||
| #   cli.hyperlink = FALSE, | ||||
| #   pillar.bold = TRUE, | ||||
| #   width = 77 # 80 - 3 for #> comment | ||||
| # ) | ||||
|  | ||||
| ggplot2::theme_set(ggplot2::theme_gray(12)) | ||||
|  | ||||
| # use results: "asis" when setting a status for a chapter | ||||
| status <- function(type) { | ||||
|   status <- switch(type, | ||||
|     polishing = "should be readable but is currently undergoing final polishing", | ||||
|     restructuring = "is undergoing heavy restructuring and may be confusing or incomplete", | ||||
|     drafting = "is currently a dumping ground for ideas, and we don't recommend reading it", | ||||
|     complete = "is largely complete and just needs final proof reading", | ||||
|     stop("Invalid `type`", call. = FALSE) | ||||
|   ) | ||||
|  | ||||
|   class <- switch(type, | ||||
|     polishing = "note", | ||||
|     restructuring = "important", | ||||
|     drafting = "important", | ||||
|     complete = "note" | ||||
|   ) | ||||
|  | ||||
|   cat(paste0( | ||||
|     "\n", | ||||
|     ":::: status\n", | ||||
|     "::: callout-", class, " \n", | ||||
|     "You are reading the work-in-progress second edition of R for Data Science. ", | ||||
|     "This chapter ", status, ". ", | ||||
|     "You can find the complete first edition at <https://r4ds.had.co.nz>.\n", | ||||
|     ":::\n", | ||||
|     "::::\n" | ||||
|   )) | ||||
| } | ||||
							
								
								
									
										8
									
								
								data/01-sales.csv
									
									
									
									
									
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										8
									
								
								data/01-sales.csv
									
									
									
									
									
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							| @@ -0,0 +1,8 @@ | ||||
| month,year,brand,item,n | ||||
| January,2019,1,1234,3 | ||||
| January,2019,1,8721,9 | ||||
| January,2019,1,1822,2 | ||||
| January,2019,2,3333,1 | ||||
| January,2019,2,2156,9 | ||||
| January,2019,2,3987,6 | ||||
| January,2019,2,3827,6 | ||||
| 
 | 
							
								
								
									
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								data/02-sales.csv
									
									
									
									
									
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							| @@ -0,0 +1,7 @@ | ||||
| month,year,brand,item,n | ||||
| February,2019,1,1234,8 | ||||
| February,2019,1,8721,2 | ||||
| February,2019,1,1822,3 | ||||
| February,2019,2,3333,1 | ||||
| February,2019,2,2156,3 | ||||
| February,2019,2,3987,6 | ||||
| 
 | 
							
								
								
									
										7
									
								
								data/03-sales.csv
									
									
									
									
									
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										7
									
								
								data/03-sales.csv
									
									
									
									
									
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							| @@ -0,0 +1,7 @@ | ||||
| month,year,brand,item,n | ||||
| March,2019,1,1234,3 | ||||
| March,2019,1,3627,1 | ||||
| March,2019,1,8820,3 | ||||
| March,2019,2,7253,1 | ||||
| March,2019,2,8766,3 | ||||
| March,2019,2,8288,6 | ||||
| 
 | 
							
								
								
									
										
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							| @@ -0,0 +1,20 @@ | ||||
|  | ||||
|  | ||||
| repurrrsive::gap_simple |> | ||||
|   count(year) | ||||
|  | ||||
| by_year <- repurrrsive::gap_simple |> | ||||
|   group_by(year) | ||||
| paths <- by_year |> | ||||
|   group_keys() |> | ||||
|   mutate(path = str_glue("data/gapminder/{year}.xlsx")) |> | ||||
|   pull() | ||||
| paths | ||||
|  | ||||
| years <- by_year |> | ||||
|   group_split() |> | ||||
|   map(\(df) select(df, -year)) | ||||
|  | ||||
| dir.create("data/gapminder") | ||||
|  | ||||
| walk2(years, paths, writexl::write_xlsx) | ||||
							
								
								
									
										
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								data/metacity/克拉玛依市.xlsx
									
									
									
									
									
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								data/metacity/六安市.xlsx
									
									
									
									
									
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								data/metacity/六盘水市.xlsx
									
									
									
									
									
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								data/metacity/兰州市.xlsx
									
									
									
									
									
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								data/metacity/兴安盟.xlsx
									
									
									
									
									
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								data/metacity/内江市.xlsx
									
									
									
									
									
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								data/metacity/凉山彝族自治州.xlsx
									
									
									
									
									
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								data/metacity/包头市.xlsx
									
									
									
									
									
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								data/metacity/北京市.xlsx
									
									
									
									
									
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								data/metacity/北海市.xlsx
									
									
									
									
									
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								data/metacity/十堰市.xlsx
									
									
									
									
									
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								data/metacity/南京市.xlsx
									
									
									
									
									
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								data/metacity/南充市.xlsx
									
									
									
									
									
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								data/metacity/南宁市.xlsx
									
									
									
									
									
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								data/metacity/南平市.xlsx
									
									
									
									
									
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								data/metacity/南昌市.xlsx
									
									
									
									
									
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								data/metacity/南通市.xlsx
									
									
									
									
									
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								data/metacity/南阳市.xlsx
									
									
									
									
									
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								data/metacity/博尔塔拉蒙古自治州.xlsx
									
									
									
									
									
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								data/metacity/厦门市.xlsx
									
									
									
									
									
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								data/metacity/双鸭山市.xlsx
									
									
									
									
									
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								data/metacity/台州市.xlsx
									
									
									
									
									
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								data/metacity/合肥市.xlsx
									
									
									
									
									
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								data/metacity/吉安市.xlsx
									
									
									
									
									
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								data/metacity/吉林市.xlsx
									
									
									
									
									
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								data/metacity/吐鲁番地区.xlsx
									
									
									
									
									
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