用jiebaR,wordcloud2对十九大报告进行文本分析 Rstudio 问题先行 Rmarkdown中的注释必须符合规范，输入的字符也是； hugo的摘要

demo演示 R可以构建复杂的立体图形 结合ggplot2绘制的图形更加精美 \[\int_0^\infty e^{-x^2} dx=\frac{\sqrt{\pi}}{2}\] demo(persp) ## ## ## demo(persp) ## ---- ~~~~~ ## ## > ### Demos for persp() plots -- things not in example(persp) ## > ### ------------------------- ## > ## > require(datasets) ##

R Markdown 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 http://rmarkdown.rstudio.com. You can embed an R code chunk like this: 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.