<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://cc458.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://cc458.github.io/" rel="alternate" type="text/html" /><updated>2025-12-18T14:43:02-08:00</updated><id>https://cc458.github.io/feed.xml</id><title type="html">Chong Chen | Tsinghua</title><subtitle>personal description</subtitle><author><name>Chong Chen</name><email>chongchen@tsinghua.edu.cn</email></author><entry><title type="html">My First Blog Test</title><link href="https://cc458.github.io/posts/2018/05/blog-post-1/" rel="alternate" type="text/html" title="My First Blog Test" /><published>2018-05-14T00:00:00-07:00</published><updated>2018-05-14T00:00:00-07:00</updated><id>https://cc458.github.io/posts/2018/05/blog-post-1</id><content type="html" xml:base="https://cc458.github.io/posts/2018/05/blog-post-1/"><![CDATA[<h2 id="r-markdown">R Markdown</h2>

<p>This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <a href="http://rmarkdown.rstudio.com">http://rmarkdown.rstudio.com</a>.</p>

<p>When you click the <strong>Knit</strong> button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:</p>

<p>```{r cars}
summary(cars)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
## Including Plots

You can also embed plots, for example:

```{r pressure, echo=FALSE}
plot(pressure)
</code></pre></div></div>

<p>Note that the <code class="language-plaintext highlighter-rouge">echo = FALSE</code> parameter was added to the code chunk to prevent printing of the R code that generated the plot.</p>]]></content><author><name>Chong Chen</name><email>chongchen@tsinghua.edu.cn</email></author><category term="cool posts" /><category term="category1" /><category term="category2" /><summary type="html"><![CDATA[R Markdown]]></summary></entry><entry><title type="html">Blog Post 2</title><link href="https://cc458.github.io/blog-post-2/" rel="alternate" type="text/html" title="Blog Post 2" /><published>2016-08-16T00:00:00-07:00</published><updated>2016-08-16T00:00:00-07:00</updated><id>https://cc458.github.io/blog-post-2</id><content type="html" xml:base="https://cc458.github.io/blog-post-2/"><![CDATA[<h2 id="r-markdown">R Markdown</h2>

<p>This is an R Markdown document. Markdown is a simple formatting syntax
for authoring HTML, PDF, and MS Word documents. For more details on
using R Markdown see <a href="http://rmarkdown.rstudio.com">http://rmarkdown.rstudio.com</a>.</p>

<p>When you click the <strong>Knit</strong> button a document will be generated that
includes both content as well as the output of any embedded R code
chunks within the document. You can embed an R code chunk like this:</p>

<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>summary(cars)

##      speed           dist       
##  Min.   : 4.0   Min.   :  2.00  
##  1st Qu.:12.0   1st Qu.: 26.00  
##  Median :15.0   Median : 36.00  
##  Mean   :15.4   Mean   : 42.98  
##  3rd Qu.:19.0   3rd Qu.: 56.00  
##  Max.   :25.0   Max.   :120.00
</code></pre></div></div>

<h2 id="including-plots">Including Plots</h2>

<p>You can also embed plots, for example:</p>

<p><img src="test_files/figure-markdown_strict/pressure-1.png" alt="" /></p>

<p>Note that the <code class="language-plaintext highlighter-rouge">echo = FALSE</code> parameter was added to the code chunk to
prevent printing of the R code that generated the plot.</p>

<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>library(ggplot2)
ggplot(mpg, aes(displ, hwy)) +
  geom_point(aes(color = class)) +
  geom_smooth(se = FALSE, method = "loess") +
  labs(
    title = "Fuel efficiency generally decreases with engine size",
    subtitle = "Two seaters (sports cars) are an exception because of their light weight",
    caption = "Data from fueleconomy.gov"
  )
</code></pre></div></div>

<p><img src="test_files/figure-markdown_strict/unnamed-chunk-1-1.png" alt="" /></p>]]></content><author><name>Chong Chen</name><email>chongchen@tsinghua.edu.cn</email></author><summary type="html"><![CDATA[R Markdown]]></summary></entry></feed>