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@ -197,16 +197,19 @@ taxi
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#|
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set.seed(123)
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library(forcats)
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one_split <- slice(taxi, 1:30) %>%
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initial_split() %>%
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tidy() %>%
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add_row(Row = 1:30, Data = "Original") %>%
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mutate(Data = case_when(
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require(tidymodels)
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require(tidyverse)
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one_split <- taxi |>
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dplyr::slice(1:30) |>
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rsample::initial_split() |>
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generics::tidy() |>
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tibble::add_row(Row = 1:30, Data = "Original") |>
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dplyr::mutate(Data = case_when(
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Data == "Analysis" ~ "Training",
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Data == "Assessment" ~ "Testing",
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TRUE ~ Data
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)) %>%
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mutate(Data = factor(Data, levels = c("Original", "Training", "Testing")))
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)) |>
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dplyr::mutate(Data = factor(Data, levels = c("Original", "Training", "Testing")))
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all_split <-
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ggplot(one_split, aes(x = Row, y = fct_rev(Data), fill = Data)) +
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geom_tile(color = "white",
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@ -1,655 +0,0 @@
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<div class="slides">
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<section id="title-slide" class="quarto-title-block center">
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<h1 class="title">课后作业6</h1>
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||||
<p class="subtitle">《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution</p>
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<div class="quarto-title-authors">
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<div class="quarto-title-author">
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<div class="quarto-title-author-name">
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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
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</div>
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</div>
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</div>
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<p class="date">2025-03-17</p>
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</section>
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<section id="第6次课后作业" class="slide level2">
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<h2><a href="第6次课后作业_模板.html">第6次课后作业</a></h2>
|
||||
<ol type="1">
|
||||
<li>如何在 R 中将数字 10 赋值给变量 x？</li>
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<li>在 R 中，如何创建一个包含数字 1 到 5 的向量？</li>
|
||||
<li>编写一个条件语句，如果变量 age 大于等于 18，则打印 “成年人”，否则打印 “未成年人”。</li>
|
||||
<li>使用 for 循环打印从 1 到 10 的整数。</li>
|
||||
<li>编写一个名为 addition 的函数，接受两个参数 a 和 b，返回它们的和。</li>
|
||||
<li>创建一个列表，包含三个元素：一个数字向量、一个字符向量和一个逻辑向量。</li>
|
||||
<li>使用 read.csv() 函数读取名为 data.csv 的 CSV 文件，并将数据存储在一个名为 data 的数据框中。</li>
|
||||
<li>从数据框中选择前五行，并将结果存储在一个新的数据框中。</li>
|
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<li>将字符串 “hello world” 转换为大写。</li>
|
||||
<li>从数据框中选择 score 列大于等于 90 的行。</li>
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||||
</ol>
|
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</section>
|
||||
<section id="data.csv内容" class="slide level2">
|
||||
<h2><strong>data.csv</strong>内容</h2>
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<pre><code>name,age,score
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Alice,25,85
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Bob,30,92
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Charlie,28,89
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David,22,95
|
||||
Eva,35,87
|
||||
Frank,27,91
|
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Grace,29,88
|
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Helen,26,93
|
||||
Ivan,31,86
|
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Jack,24,94
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Kelly,32,89
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Lily,28,90
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Mike,33,85
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Nancy,27,92
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Olivia,34,88
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Peter,29,93
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Queen,25,89
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Ryan,30,94
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Samantha,26,91
|
||||
Tom,31,87
|
||||
</code></pre>
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</section>
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<section id="欢迎讨论" class="slide level2 center">
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<h2>欢迎讨论！</h2>
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'menu': {"side":"left","useTextContentForMissingTitles":true,"markers":false,"loadIcons":false,"custom":[{"title":"Tools","icon":"<i class=\"fas fa-gear\"></i>","content":"<ul class=\"slide-menu-items\">\n<li class=\"slide-tool-item active\" data-item=\"0\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.fullscreen(event)\"><kbd>f</kbd> Fullscreen</a></li>\n<li class=\"slide-tool-item\" data-item=\"1\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.speakerMode(event)\"><kbd>s</kbd> Speaker View</a></li>\n<li class=\"slide-tool-item\" data-item=\"2\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.overview(event)\"><kbd>o</kbd> Slide Overview</a></li>\n<li class=\"slide-tool-item\" data-item=\"3\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.togglePdfExport(event)\"><kbd>e</kbd> PDF Export Mode</a></li>\n<li class=\"slide-tool-item\" data-item=\"4\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.toggleScrollView(event)\"><kbd>r</kbd> Scroll View Mode</a></li>\n<li class=\"slide-tool-item\" data-item=\"5\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.toggleChalkboard(event)\"><kbd>b</kbd> Toggle Chalkboard</a></li>\n<li class=\"slide-tool-item\" data-item=\"6\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.toggleNotesCanvas(event)\"><kbd>c</kbd> Toggle Notes Canvas</a></li>\n<li class=\"slide-tool-item\" data-item=\"7\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.downloadDrawings(event)\"><kbd>d</kbd> Download Drawings</a></li>\n<li class=\"slide-tool-item\" data-item=\"8\"><a href=\"#\" onclick=\"RevealMenuToolHandlers.keyboardHelp(event)\"><kbd>?</kbd> Keyboard Help</a></li>\n</ul>"}],"openButton":true},
|
||||
'chalkboard': {"buttons":true},
|
||||
'pointer': {"key":"p","color":"#32cd32","pointerSize":18,"alwaysVisible":false},
|
||||
'smaller': false,
|
||||
|
||||
// Display controls in the bottom right corner
|
||||
controls: false,
|
||||
|
||||
// Help the user learn the controls by providing hints, for example by
|
||||
// bouncing the down arrow when they first encounter a vertical slide
|
||||
controlsTutorial: false,
|
||||
|
||||
// Determines where controls appear, "edges" or "bottom-right"
|
||||
controlsLayout: 'edges',
|
||||
|
||||
// Visibility rule for backwards navigation arrows; "faded", "hidden"
|
||||
// or "visible"
|
||||
controlsBackArrows: 'faded',
|
||||
|
||||
// Display a presentation progress bar
|
||||
progress: true,
|
||||
|
||||
// Display the page number of the current slide
|
||||
slideNumber: 'c/t',
|
||||
|
||||
// 'all', 'print', or 'speaker'
|
||||
showSlideNumber: 'all',
|
||||
|
||||
// Add the current slide number to the URL hash so that reloading the
|
||||
// page/copying the URL will return you to the same slide
|
||||
hash: true,
|
||||
|
||||
// Start with 1 for the hash rather than 0
|
||||
hashOneBasedIndex: false,
|
||||
|
||||
// Flags if we should monitor the hash and change slides accordingly
|
||||
respondToHashChanges: true,
|
||||
|
||||
// Push each slide change to the browser history
|
||||
history: true,
|
||||
|
||||
// Enable keyboard shortcuts for navigation
|
||||
keyboard: true,
|
||||
|
||||
// Enable the slide overview mode
|
||||
overview: true,
|
||||
|
||||
// Disables the default reveal.js slide layout (scaling and centering)
|
||||
// so that you can use custom CSS layout
|
||||
disableLayout: false,
|
||||
|
||||
// Vertical centering of slides
|
||||
center: false,
|
||||
|
||||
// Enables touch navigation on devices with touch input
|
||||
touch: true,
|
||||
|
||||
// Loop the presentation
|
||||
loop: false,
|
||||
|
||||
// Change the presentation direction to be RTL
|
||||
rtl: false,
|
||||
|
||||
// see https://revealjs.com/vertical-slides/#navigation-mode
|
||||
navigationMode: 'linear',
|
||||
|
||||
// Randomizes the order of slides each time the presentation loads
|
||||
shuffle: false,
|
||||
|
||||
// Turns fragments on and off globally
|
||||
fragments: true,
|
||||
|
||||
// Flags whether to include the current fragment in the URL,
|
||||
// so that reloading brings you to the same fragment position
|
||||
fragmentInURL: false,
|
||||
|
||||
// Flags if the presentation is running in an embedded mode,
|
||||
// i.e. contained within a limited portion of the screen
|
||||
embedded: false,
|
||||
|
||||
// Flags if we should show a help overlay when the questionmark
|
||||
// key is pressed
|
||||
help: true,
|
||||
|
||||
// Flags if it should be possible to pause the presentation (blackout)
|
||||
pause: true,
|
||||
|
||||
// Flags if speaker notes should be visible to all viewers
|
||||
showNotes: false,
|
||||
|
||||
// Global override for autoplaying embedded media (null/true/false)
|
||||
autoPlayMedia: null,
|
||||
|
||||
// Global override for preloading lazy-loaded iframes (null/true/false)
|
||||
preloadIframes: null,
|
||||
|
||||
// Number of milliseconds between automatically proceeding to the
|
||||
// next slide, disabled when set to 0, this value can be overwritten
|
||||
// by using a data-autoslide attribute on your slides
|
||||
autoSlide: 0,
|
||||
|
||||
// Stop auto-sliding after user input
|
||||
autoSlideStoppable: true,
|
||||
|
||||
// Use this method for navigation when auto-sliding
|
||||
autoSlideMethod: null,
|
||||
|
||||
// Specify the average time in seconds that you think you will spend
|
||||
// presenting each slide. This is used to show a pacing timer in the
|
||||
// speaker view
|
||||
defaultTiming: null,
|
||||
|
||||
// Enable slide navigation via mouse wheel
|
||||
mouseWheel: false,
|
||||
|
||||
// The display mode that will be used to show slides
|
||||
display: 'block',
|
||||
|
||||
// Hide cursor if inactive
|
||||
hideInactiveCursor: true,
|
||||
|
||||
// Time before the cursor is hidden (in ms)
|
||||
hideCursorTime: 5000,
|
||||
|
||||
// Opens links in an iframe preview overlay
|
||||
previewLinks: false,
|
||||
|
||||
// Transition style (none/fade/slide/convex/concave/zoom)
|
||||
transition: 'none',
|
||||
|
||||
// Transition speed (default/fast/slow)
|
||||
transitionSpeed: 'default',
|
||||
|
||||
// Transition style for full page slide backgrounds
|
||||
// (none/fade/slide/convex/concave/zoom)
|
||||
backgroundTransition: 'none',
|
||||
|
||||
// Number of slides away from the current that are visible
|
||||
viewDistance: 3,
|
||||
|
||||
// Number of slides away from the current that are visible on mobile
|
||||
// devices. It is advisable to set this to a lower number than
|
||||
// viewDistance in order to save resources.
|
||||
mobileViewDistance: 2,
|
||||
|
||||
// The "normal" size of the presentation, aspect ratio will be preserved
|
||||
// when the presentation is scaled to fit different resolutions. Can be
|
||||
// specified using percentage units.
|
||||
width: 1050,
|
||||
|
||||
height: 700,
|
||||
|
||||
// Factor of the display size that should remain empty around the content
|
||||
margin: 0.1,
|
||||
|
||||
math: {
|
||||
mathjax: 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.9/MathJax.js',
|
||||
config: 'TeX-AMS_HTML-full',
|
||||
tex2jax: {
|
||||
inlineMath: [['\\(','\\)']],
|
||||
displayMath: [['\\[','\\]']],
|
||||
balanceBraces: true,
|
||||
processEscapes: false,
|
||||
processRefs: true,
|
||||
processEnvironments: true,
|
||||
preview: 'TeX',
|
||||
skipTags: ['script','noscript','style','textarea','pre','code'],
|
||||
ignoreClass: 'tex2jax_ignore',
|
||||
processClass: 'tex2jax_process'
|
||||
},
|
||||
},
|
||||
|
||||
// reveal.js plugins
|
||||
plugins: [QuartoLineHighlight, PdfExport, RevealMenu, RevealChalkboard, RevealPointer, QuartoSupport,
|
||||
|
||||
RevealMath,
|
||||
RevealNotes,
|
||||
RevealSearch,
|
||||
RevealZoom
|
||||
]
|
||||
});
|
||||
</script>
|
||||
|
||||
<script>
|
||||
// htmlwidgets need to know to resize themselves when slides are shown/hidden.
|
||||
// Fire the "slideenter" event (handled by htmlwidgets.js) when the current
|
||||
// slide changes (different for each slide format).
|
||||
(function () {
|
||||
// dispatch for htmlwidgets
|
||||
function fireSlideEnter() {
|
||||
const event = window.document.createEvent("Event");
|
||||
event.initEvent("slideenter", true, true);
|
||||
window.document.dispatchEvent(event);
|
||||
}
|
||||
|
||||
function fireSlideChanged(previousSlide, currentSlide) {
|
||||
fireSlideEnter();
|
||||
|
||||
// dispatch for shiny
|
||||
if (window.jQuery) {
|
||||
if (previousSlide) {
|
||||
window.jQuery(previousSlide).trigger("hidden");
|
||||
}
|
||||
if (currentSlide) {
|
||||
window.jQuery(currentSlide).trigger("shown");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// hookup for slidy
|
||||
if (window.w3c_slidy) {
|
||||
window.w3c_slidy.add_observer(function (slide_num) {
|
||||
// slide_num starts at position 1
|
||||
fireSlideChanged(null, w3c_slidy.slides[slide_num - 1]);
|
||||
});
|
||||
}
|
||||
|
||||
})();
|
||||
</script>
|
||||
|
||||
<script id="quarto-html-after-body" type="application/javascript">
|
||||
window.document.addEventListener("DOMContentLoaded", function (event) {
|
||||
const toggleBodyColorMode = (bsSheetEl) => {
|
||||
const mode = bsSheetEl.getAttribute("data-mode");
|
||||
const bodyEl = window.document.querySelector("body");
|
||||
if (mode === "dark") {
|
||||
bodyEl.classList.add("quarto-dark");
|
||||
bodyEl.classList.remove("quarto-light");
|
||||
} else {
|
||||
bodyEl.classList.add("quarto-light");
|
||||
bodyEl.classList.remove("quarto-dark");
|
||||
}
|
||||
}
|
||||
const toggleBodyColorPrimary = () => {
|
||||
const bsSheetEl = window.document.querySelector("link#quarto-bootstrap");
|
||||
if (bsSheetEl) {
|
||||
toggleBodyColorMode(bsSheetEl);
|
||||
}
|
||||
}
|
||||
toggleBodyColorPrimary();
|
||||
const tabsets = window.document.querySelectorAll(".panel-tabset-tabby")
|
||||
tabsets.forEach(function(tabset) {
|
||||
const tabby = new Tabby('#' + tabset.id);
|
||||
});
|
||||
const isCodeAnnotation = (el) => {
|
||||
for (const clz of el.classList) {
|
||||
if (clz.startsWith('code-annotation-')) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
const onCopySuccess = function(e) {
|
||||
// button target
|
||||
const button = e.trigger;
|
||||
// don't keep focus
|
||||
button.blur();
|
||||
// flash "checked"
|
||||
button.classList.add('code-copy-button-checked');
|
||||
var currentTitle = button.getAttribute("title");
|
||||
button.setAttribute("title", "已复制");
|
||||
let tooltip;
|
||||
if (window.bootstrap) {
|
||||
button.setAttribute("data-bs-toggle", "tooltip");
|
||||
button.setAttribute("data-bs-placement", "left");
|
||||
button.setAttribute("data-bs-title", "已复制");
|
||||
tooltip = new bootstrap.Tooltip(button,
|
||||
{ trigger: "manual",
|
||||
customClass: "code-copy-button-tooltip",
|
||||
offset: [0, -8]});
|
||||
tooltip.show();
|
||||
}
|
||||
setTimeout(function() {
|
||||
if (tooltip) {
|
||||
tooltip.hide();
|
||||
button.removeAttribute("data-bs-title");
|
||||
button.removeAttribute("data-bs-toggle");
|
||||
button.removeAttribute("data-bs-placement");
|
||||
}
|
||||
button.setAttribute("title", currentTitle);
|
||||
button.classList.remove('code-copy-button-checked');
|
||||
}, 1000);
|
||||
// clear code selection
|
||||
e.clearSelection();
|
||||
}
|
||||
const getTextToCopy = function(trigger) {
|
||||
const codeEl = trigger.previousElementSibling.cloneNode(true);
|
||||
for (const childEl of codeEl.children) {
|
||||
if (isCodeAnnotation(childEl)) {
|
||||
childEl.remove();
|
||||
}
|
||||
}
|
||||
return codeEl.innerText;
|
||||
}
|
||||
const clipboard = new window.ClipboardJS('.code-copy-button:not([data-in-quarto-modal])', {
|
||||
text: getTextToCopy
|
||||
});
|
||||
clipboard.on('success', onCopySuccess);
|
||||
if (window.document.getElementById('quarto-embedded-source-code-modal')) {
|
||||
const clipboardModal = new window.ClipboardJS('.code-copy-button[data-in-quarto-modal]', {
|
||||
text: getTextToCopy,
|
||||
container: window.document.getElementById('quarto-embedded-source-code-modal')
|
||||
});
|
||||
clipboardModal.on('success', onCopySuccess);
|
||||
}
|
||||
var localhostRegex = new RegExp(/^(?:http|https):\/\/localhost\:?[0-9]*\//);
|
||||
var mailtoRegex = new RegExp(/^mailto:/);
|
||||
var filterRegex = new RegExp("https:\/\/drc\.drwater\.net\/course\/public\/RWEP\/PUB");
|
||||
var isInternal = (href) => {
|
||||
return filterRegex.test(href) || localhostRegex.test(href) || mailtoRegex.test(href);
|
||||
}
|
||||
// Inspect non-navigation links and adorn them if external
|
||||
var links = window.document.querySelectorAll('a[href]:not(.nav-link):not(.navbar-brand):not(.toc-action):not(.sidebar-link):not(.sidebar-item-toggle):not(.pagination-link):not(.no-external):not([aria-hidden]):not(.dropdown-item):not(.quarto-navigation-tool):not(.about-link)');
|
||||
for (var i=0; i<links.length; i++) {
|
||||
const link = links[i];
|
||||
if (!isInternal(link.href)) {
|
||||
// undo the damage that might have been done by quarto-nav.js in the case of
|
||||
// links that we want to consider external
|
||||
if (link.dataset.originalHref !== undefined) {
|
||||
link.href = link.dataset.originalHref;
|
||||
}
|
||||
}
|
||||
}
|
||||
function tippyHover(el, contentFn, onTriggerFn, onUntriggerFn) {
|
||||
const config = {
|
||||
allowHTML: true,
|
||||
maxWidth: 500,
|
||||
delay: 100,
|
||||
arrow: false,
|
||||
appendTo: function(el) {
|
||||
return el.closest('section.slide') || el.parentElement;
|
||||
},
|
||||
interactive: true,
|
||||
interactiveBorder: 10,
|
||||
theme: 'light-border',
|
||||
placement: 'bottom-start',
|
||||
};
|
||||
if (contentFn) {
|
||||
config.content = contentFn;
|
||||
}
|
||||
if (onTriggerFn) {
|
||||
config.onTrigger = onTriggerFn;
|
||||
}
|
||||
if (onUntriggerFn) {
|
||||
config.onUntrigger = onUntriggerFn;
|
||||
}
|
||||
config['offset'] = [0,0];
|
||||
config['maxWidth'] = 700;
|
||||
window.tippy(el, config);
|
||||
}
|
||||
const noterefs = window.document.querySelectorAll('a[role="doc-noteref"]');
|
||||
for (var i=0; i<noterefs.length; i++) {
|
||||
const ref = noterefs[i];
|
||||
tippyHover(ref, function() {
|
||||
// use id or data attribute instead here
|
||||
let href = ref.getAttribute('data-footnote-href') || ref.getAttribute('href');
|
||||
try { href = new URL(href).hash; } catch {}
|
||||
const id = href.replace(/^#\/?/, "");
|
||||
const note = window.document.getElementById(id);
|
||||
if (note) {
|
||||
return note.innerHTML;
|
||||
} else {
|
||||
return "";
|
||||
}
|
||||
});
|
||||
}
|
||||
const findCites = (el) => {
|
||||
const parentEl = el.parentElement;
|
||||
if (parentEl) {
|
||||
const cites = parentEl.dataset.cites;
|
||||
if (cites) {
|
||||
return {
|
||||
el,
|
||||
cites: cites.split(' ')
|
||||
};
|
||||
} else {
|
||||
return findCites(el.parentElement)
|
||||
}
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
var bibliorefs = window.document.querySelectorAll('a[role="doc-biblioref"]');
|
||||
for (var i=0; i<bibliorefs.length; i++) {
|
||||
const ref = bibliorefs[i];
|
||||
const citeInfo = findCites(ref);
|
||||
if (citeInfo) {
|
||||
tippyHover(citeInfo.el, function() {
|
||||
var popup = window.document.createElement('div');
|
||||
citeInfo.cites.forEach(function(cite) {
|
||||
var citeDiv = window.document.createElement('div');
|
||||
citeDiv.classList.add('hanging-indent');
|
||||
citeDiv.classList.add('csl-entry');
|
||||
var biblioDiv = window.document.getElementById('ref-' + cite);
|
||||
if (biblioDiv) {
|
||||
citeDiv.innerHTML = biblioDiv.innerHTML;
|
||||
}
|
||||
popup.appendChild(citeDiv);
|
||||
});
|
||||
return popup.innerHTML;
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
</script>
|
||||
|
||||
|
||||
</body></html>
|
||||
|
|
@ -1,638 +0,0 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="zh-Hans"><head>
|
||||
<script src="../../site_libs/clipboard/clipboard.min.js"></script>
|
||||
<script src="../../site_libs/quarto-html/tabby.min.js"></script>
|
||||
<script src="../../site_libs/quarto-html/popper.min.js"></script>
|
||||
<script src="../../site_libs/quarto-html/tippy.umd.min.js"></script>
|
||||
<link href="../../site_libs/quarto-html/tippy.css" rel="stylesheet">
|
||||
<link href="../../site_libs/quarto-html/light-border.css" rel="stylesheet">
|
||||
<link href="../../site_libs/quarto-html/quarto-syntax-highlighting-dark-31d8df3fb4b3ebd213a509f950828e75.css" rel="stylesheet" id="quarto-text-highlighting-styles"><meta charset="utf-8">
|
||||
<meta name="generator" content="quarto-1.7.1">
|
||||
|
||||
<meta name="author" content="苏命、王为东 中国科学院大学资源与环境学院 中国科学院生态环境研究中心">
|
||||
<meta name="dcterms.date" content="2025-03-17">
|
||||
<title>Version: {{< var branch >}} – 课后作业8</title>
|
||||
<meta name="apple-mobile-web-app-capable" content="yes">
|
||||
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
|
||||
<link rel="stylesheet" href="../../site_libs/revealjs/dist/reset.css">
|
||||
<link rel="stylesheet" href="../../site_libs/revealjs/dist/reveal.css">
|
||||
<style>
|
||||
code{white-space: pre-wrap;}
|
||||
span.smallcaps{font-variant: small-caps;}
|
||||
div.columns{display: flex; gap: min(4vw, 1.5em);}
|
||||
div.column{flex: auto; overflow-x: auto;}
|
||||
div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
|
||||
ul.task-list{list-style: none;}
|
||||
ul.task-list li input[type="checkbox"] {
|
||||
width: 0.8em;
|
||||
margin: 0 0.8em 0.2em -1em; /* quarto-specific, see https://github.com/quarto-dev/quarto-cli/issues/4556 */
|
||||
vertical-align: middle;
|
||||
}
|
||||
</style>
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<div class="slides">
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<section id="title-slide" class="quarto-title-block center">
|
||||
<h1 class="title">课后作业8</h1>
|
||||
<p class="subtitle">《区域水环境污染数据分析实践》<br>Data analysis practice of regional water environment pollution</p>
|
||||
|
||||
<div class="quarto-title-authors">
|
||||
<div class="quarto-title-author">
|
||||
<div class="quarto-title-author-name">
|
||||
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
|
||||
</div>
|
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</div>
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</div>
|
||||
|
||||
<p class="date">2025-03-17</p>
|
||||
</section>
|
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<section id="第8次课后作业" class="slide level2">
|
||||
<h2>第8次课后作业</h2>
|
||||
<ol type="1">
|
||||
<li>根据<code>airqualitydf.xlsx</code>，按采样点统计白天（8:00-20:00）与夜晚（20:00-8:00）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）。</li>
|
||||
<li>按照不同城市分组，统计白天与夜晚AQI中位数是否具有显著差异。</li>
|
||||
</ol>
|
||||
<p>作业模板：<a href="https://drwater.rcees.ac.cn/git/course/RWEP/raw/branch/main/SD/20240328_9_课后作业/第8次课后作业_模板.qmd">第8次课后作业_模板.qmd</a></p>
|
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</section>
|
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<section id="示例代码" class="slide level2">
|
||||
<h2>示例代码</h2>
|
||||
<h3 id="基于r的示例结果">基于R的示例结果</h3>
|
||||
<ul>
|
||||
<li><a href="./第8次课后作业_模板.html">第8次课后作业R示例代码结果</a></li>
|
||||
</ul>
|
||||
<h3 id="基于sas的示例结果">基于SAS的示例结果</h3>
|
||||
<ul>
|
||||
<li><a href="./第8次课后作业_模板.sas">第8次课后作业SAS示例代码</a></li>
|
||||
<li><a href="./median.pdf">第8次课后作业SAS示例结果1</a></li>
|
||||
<li><a href="./freq.pdf">第8次课后作业SAS示例结果2</a></li>
|
||||
<li><a href="./airqualitymedianoutrow5.pdf">第8次课后作业SAS示例结果3</a></li>
|
||||
<li><a href="./npar1wayConover.pdf">第8次课后作业SAS示例结果4</a></li>
|
||||
</ul>
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</section>
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<section id="欢迎讨论" class="slide level2 center">
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<h2>欢迎讨论！</h2>
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// Global override for preloading lazy-loaded iframes (null/true/false)
|
||||
preloadIframes: null,
|
||||
|
||||
// Number of milliseconds between automatically proceeding to the
|
||||
// next slide, disabled when set to 0, this value can be overwritten
|
||||
// by using a data-autoslide attribute on your slides
|
||||
autoSlide: 0,
|
||||
|
||||
// Stop auto-sliding after user input
|
||||
autoSlideStoppable: true,
|
||||
|
||||
// Use this method for navigation when auto-sliding
|
||||
autoSlideMethod: null,
|
||||
|
||||
// Specify the average time in seconds that you think you will spend
|
||||
// presenting each slide. This is used to show a pacing timer in the
|
||||
// speaker view
|
||||
defaultTiming: null,
|
||||
|
||||
// Enable slide navigation via mouse wheel
|
||||
mouseWheel: false,
|
||||
|
||||
// The display mode that will be used to show slides
|
||||
display: 'block',
|
||||
|
||||
// Hide cursor if inactive
|
||||
hideInactiveCursor: true,
|
||||
|
||||
// Time before the cursor is hidden (in ms)
|
||||
hideCursorTime: 5000,
|
||||
|
||||
// Opens links in an iframe preview overlay
|
||||
previewLinks: false,
|
||||
|
||||
// Transition style (none/fade/slide/convex/concave/zoom)
|
||||
transition: 'none',
|
||||
|
||||
// Transition speed (default/fast/slow)
|
||||
transitionSpeed: 'default',
|
||||
|
||||
// Transition style for full page slide backgrounds
|
||||
// (none/fade/slide/convex/concave/zoom)
|
||||
backgroundTransition: 'none',
|
||||
|
||||
// Number of slides away from the current that are visible
|
||||
viewDistance: 3,
|
||||
|
||||
// Number of slides away from the current that are visible on mobile
|
||||
// devices. It is advisable to set this to a lower number than
|
||||
// viewDistance in order to save resources.
|
||||
mobileViewDistance: 2,
|
||||
|
||||
// The "normal" size of the presentation, aspect ratio will be preserved
|
||||
// when the presentation is scaled to fit different resolutions. Can be
|
||||
// specified using percentage units.
|
||||
width: 1050,
|
||||
|
||||
height: 700,
|
||||
|
||||
// Factor of the display size that should remain empty around the content
|
||||
margin: 0.1,
|
||||
|
||||
math: {
|
||||
mathjax: 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.9/MathJax.js',
|
||||
config: 'TeX-AMS_HTML-full',
|
||||
tex2jax: {
|
||||
inlineMath: [['\\(','\\)']],
|
||||
displayMath: [['\\[','\\]']],
|
||||
balanceBraces: true,
|
||||
processEscapes: false,
|
||||
processRefs: true,
|
||||
processEnvironments: true,
|
||||
preview: 'TeX',
|
||||
skipTags: ['script','noscript','style','textarea','pre','code'],
|
||||
ignoreClass: 'tex2jax_ignore',
|
||||
processClass: 'tex2jax_process'
|
||||
},
|
||||
},
|
||||
|
||||
// reveal.js plugins
|
||||
plugins: [QuartoLineHighlight, PdfExport, RevealMenu, RevealChalkboard, RevealPointer, QuartoSupport,
|
||||
|
||||
RevealMath,
|
||||
RevealNotes,
|
||||
RevealSearch,
|
||||
RevealZoom
|
||||
]
|
||||
});
|
||||
</script>
|
||||
|
||||
<script>
|
||||
// htmlwidgets need to know to resize themselves when slides are shown/hidden.
|
||||
// Fire the "slideenter" event (handled by htmlwidgets.js) when the current
|
||||
// slide changes (different for each slide format).
|
||||
(function () {
|
||||
// dispatch for htmlwidgets
|
||||
function fireSlideEnter() {
|
||||
const event = window.document.createEvent("Event");
|
||||
event.initEvent("slideenter", true, true);
|
||||
window.document.dispatchEvent(event);
|
||||
}
|
||||
|
||||
function fireSlideChanged(previousSlide, currentSlide) {
|
||||
fireSlideEnter();
|
||||
|
||||
// dispatch for shiny
|
||||
if (window.jQuery) {
|
||||
if (previousSlide) {
|
||||
window.jQuery(previousSlide).trigger("hidden");
|
||||
}
|
||||
if (currentSlide) {
|
||||
window.jQuery(currentSlide).trigger("shown");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// hookup for slidy
|
||||
if (window.w3c_slidy) {
|
||||
window.w3c_slidy.add_observer(function (slide_num) {
|
||||
// slide_num starts at position 1
|
||||
fireSlideChanged(null, w3c_slidy.slides[slide_num - 1]);
|
||||
});
|
||||
}
|
||||
|
||||
})();
|
||||
</script>
|
||||
|
||||
<script id="quarto-html-after-body" type="application/javascript">
|
||||
window.document.addEventListener("DOMContentLoaded", function (event) {
|
||||
const toggleBodyColorMode = (bsSheetEl) => {
|
||||
const mode = bsSheetEl.getAttribute("data-mode");
|
||||
const bodyEl = window.document.querySelector("body");
|
||||
if (mode === "dark") {
|
||||
bodyEl.classList.add("quarto-dark");
|
||||
bodyEl.classList.remove("quarto-light");
|
||||
} else {
|
||||
bodyEl.classList.add("quarto-light");
|
||||
bodyEl.classList.remove("quarto-dark");
|
||||
}
|
||||
}
|
||||
const toggleBodyColorPrimary = () => {
|
||||
const bsSheetEl = window.document.querySelector("link#quarto-bootstrap");
|
||||
if (bsSheetEl) {
|
||||
toggleBodyColorMode(bsSheetEl);
|
||||
}
|
||||
}
|
||||
toggleBodyColorPrimary();
|
||||
const tabsets = window.document.querySelectorAll(".panel-tabset-tabby")
|
||||
tabsets.forEach(function(tabset) {
|
||||
const tabby = new Tabby('#' + tabset.id);
|
||||
});
|
||||
const isCodeAnnotation = (el) => {
|
||||
for (const clz of el.classList) {
|
||||
if (clz.startsWith('code-annotation-')) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
const onCopySuccess = function(e) {
|
||||
// button target
|
||||
const button = e.trigger;
|
||||
// don't keep focus
|
||||
button.blur();
|
||||
// flash "checked"
|
||||
button.classList.add('code-copy-button-checked');
|
||||
var currentTitle = button.getAttribute("title");
|
||||
button.setAttribute("title", "已复制");
|
||||
let tooltip;
|
||||
if (window.bootstrap) {
|
||||
button.setAttribute("data-bs-toggle", "tooltip");
|
||||
button.setAttribute("data-bs-placement", "left");
|
||||
button.setAttribute("data-bs-title", "已复制");
|
||||
tooltip = new bootstrap.Tooltip(button,
|
||||
{ trigger: "manual",
|
||||
customClass: "code-copy-button-tooltip",
|
||||
offset: [0, -8]});
|
||||
tooltip.show();
|
||||
}
|
||||
setTimeout(function() {
|
||||
if (tooltip) {
|
||||
tooltip.hide();
|
||||
button.removeAttribute("data-bs-title");
|
||||
button.removeAttribute("data-bs-toggle");
|
||||
button.removeAttribute("data-bs-placement");
|
||||
}
|
||||
button.setAttribute("title", currentTitle);
|
||||
button.classList.remove('code-copy-button-checked');
|
||||
}, 1000);
|
||||
// clear code selection
|
||||
e.clearSelection();
|
||||
}
|
||||
const getTextToCopy = function(trigger) {
|
||||
const codeEl = trigger.previousElementSibling.cloneNode(true);
|
||||
for (const childEl of codeEl.children) {
|
||||
if (isCodeAnnotation(childEl)) {
|
||||
childEl.remove();
|
||||
}
|
||||
}
|
||||
return codeEl.innerText;
|
||||
}
|
||||
const clipboard = new window.ClipboardJS('.code-copy-button:not([data-in-quarto-modal])', {
|
||||
text: getTextToCopy
|
||||
});
|
||||
clipboard.on('success', onCopySuccess);
|
||||
if (window.document.getElementById('quarto-embedded-source-code-modal')) {
|
||||
const clipboardModal = new window.ClipboardJS('.code-copy-button[data-in-quarto-modal]', {
|
||||
text: getTextToCopy,
|
||||
container: window.document.getElementById('quarto-embedded-source-code-modal')
|
||||
});
|
||||
clipboardModal.on('success', onCopySuccess);
|
||||
}
|
||||
var localhostRegex = new RegExp(/^(?:http|https):\/\/localhost\:?[0-9]*\//);
|
||||
var mailtoRegex = new RegExp(/^mailto:/);
|
||||
var filterRegex = new RegExp("https:\/\/drc\.drwater\.net\/course\/public\/RWEP\/PUB");
|
||||
var isInternal = (href) => {
|
||||
return filterRegex.test(href) || localhostRegex.test(href) || mailtoRegex.test(href);
|
||||
}
|
||||
// Inspect non-navigation links and adorn them if external
|
||||
var links = window.document.querySelectorAll('a[href]:not(.nav-link):not(.navbar-brand):not(.toc-action):not(.sidebar-link):not(.sidebar-item-toggle):not(.pagination-link):not(.no-external):not([aria-hidden]):not(.dropdown-item):not(.quarto-navigation-tool):not(.about-link)');
|
||||
for (var i=0; i<links.length; i++) {
|
||||
const link = links[i];
|
||||
if (!isInternal(link.href)) {
|
||||
// undo the damage that might have been done by quarto-nav.js in the case of
|
||||
// links that we want to consider external
|
||||
if (link.dataset.originalHref !== undefined) {
|
||||
link.href = link.dataset.originalHref;
|
||||
}
|
||||
}
|
||||
}
|
||||
function tippyHover(el, contentFn, onTriggerFn, onUntriggerFn) {
|
||||
const config = {
|
||||
allowHTML: true,
|
||||
maxWidth: 500,
|
||||
delay: 100,
|
||||
arrow: false,
|
||||
appendTo: function(el) {
|
||||
return el.closest('section.slide') || el.parentElement;
|
||||
},
|
||||
interactive: true,
|
||||
interactiveBorder: 10,
|
||||
theme: 'light-border',
|
||||
placement: 'bottom-start',
|
||||
};
|
||||
if (contentFn) {
|
||||
config.content = contentFn;
|
||||
}
|
||||
if (onTriggerFn) {
|
||||
config.onTrigger = onTriggerFn;
|
||||
}
|
||||
if (onUntriggerFn) {
|
||||
config.onUntrigger = onUntriggerFn;
|
||||
}
|
||||
config['offset'] = [0,0];
|
||||
config['maxWidth'] = 700;
|
||||
window.tippy(el, config);
|
||||
}
|
||||
const noterefs = window.document.querySelectorAll('a[role="doc-noteref"]');
|
||||
for (var i=0; i<noterefs.length; i++) {
|
||||
const ref = noterefs[i];
|
||||
tippyHover(ref, function() {
|
||||
// use id or data attribute instead here
|
||||
let href = ref.getAttribute('data-footnote-href') || ref.getAttribute('href');
|
||||
try { href = new URL(href).hash; } catch {}
|
||||
const id = href.replace(/^#\/?/, "");
|
||||
const note = window.document.getElementById(id);
|
||||
if (note) {
|
||||
return note.innerHTML;
|
||||
} else {
|
||||
return "";
|
||||
}
|
||||
});
|
||||
}
|
||||
const findCites = (el) => {
|
||||
const parentEl = el.parentElement;
|
||||
if (parentEl) {
|
||||
const cites = parentEl.dataset.cites;
|
||||
if (cites) {
|
||||
return {
|
||||
el,
|
||||
cites: cites.split(' ')
|
||||
};
|
||||
} else {
|
||||
return findCites(el.parentElement)
|
||||
}
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
var bibliorefs = window.document.querySelectorAll('a[role="doc-biblioref"]');
|
||||
for (var i=0; i<bibliorefs.length; i++) {
|
||||
const ref = bibliorefs[i];
|
||||
const citeInfo = findCites(ref);
|
||||
if (citeInfo) {
|
||||
tippyHover(citeInfo.el, function() {
|
||||
var popup = window.document.createElement('div');
|
||||
citeInfo.cites.forEach(function(cite) {
|
||||
var citeDiv = window.document.createElement('div');
|
||||
citeDiv.classList.add('hanging-indent');
|
||||
citeDiv.classList.add('csl-entry');
|
||||
var biblioDiv = window.document.getElementById('ref-' + cite);
|
||||
if (biblioDiv) {
|
||||
citeDiv.innerHTML = biblioDiv.innerHTML;
|
||||
}
|
||||
popup.appendChild(citeDiv);
|
||||
});
|
||||
return popup.innerHTML;
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
</script>
|
||||
|
||||
|
||||
</body></html>
|
||||
|
|
@ -43,7 +43,7 @@ require(learnr)
|
|||
1. 根据`airqualitydf.xlsx`，按采样点统计白天（8:00-20:00）与夜晚（20:00-8:00）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，统计白天与夜晚AQI中位数是否具有显著差异。
|
||||
|
||||
作业模板：[第8次课后作业_模板.qmd](https://drwater.rcees.ac.cn/git/course/RWEP/raw/branch/main/SD/20240328_9_课后作业/第8次课后作业_模板.qmd)
|
||||
作业模板：[第8次课后作业_模板.qmd](https://git.drwater.net/course/RWEP/raw/branch/main/SD/20240328_9_课后作业/第8次课后作业_模板.qmd)
|
||||
|
||||
## 示例代码
|
||||
|
||||
|
|
@ -62,5 +62,5 @@ 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 = "https://drc.drwater.net/course/public/RWEP/PUB/SD/")`
|
||||
|
||||
|
|
|
|||
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Reference in New Issue