about data visualization in R is available! The book covers many of the same topics as the Graphs and Data Manipulation sections of this website, but it goes into more depth and covers a broader range of techniques.

使用爬虫从豆瓣官网获得影评TOP250的电影，以Excel文件的形式存储在本地。(Use the crawler to get the top 250 movie reviews from Douban official website and store them locally as Excel files.)