update

2026-05-21 12:48:42 +08:00
parent f8818ca639
commit cb005286fc
16 changed files with 813 additions and 4 deletions
@@ -5,6 +5,16 @@ format:
    logo: _extensions/drwater/dwsd/inst/ucaslogo.png
 ---

+
+```{r}
+#| include: false
+#| cache: false
+lang <- "cn"
+require(tidyverse)
+require(learnr)
+knitr::opts_chunk$set(echo = TRUE)
+```
+
 ## 下载excel文件

 [https://git.drwater.net/course/RWEP/raw/branch/main/data/airquality.xlsx](https://git.drwater.net/course/RWEP/raw/branch/main/data/airquality.xlsx)