摘要: 一个简单的例子解释随机矩阵里的MP law,################################# A example to show the MP law in random matrix theory.###############################library(ggplot2)## The empirical distributionp <- 1000n <- 2000dat <- matrix(rnorm(p*n), nrow=p)dat.cov <- cov(t(dat))dat.eig <- eigen(dat.cov)da 阅读全文
posted @ 2013-10-07 00:52 BinbinChen 阅读(402) 评论(0) 推荐(0) 编辑
摘要: 摘自http://www.r-bloggers.com/top-250-movies-at-imdb/################################## 250 IMDb movies, visualize the rating and votes################################## We will use the XML library to retrieve the page from IMDb and parse out the appropriate table.library(XML)url <- "http://ww 阅读全文
posted @ 2013-10-07 00:12 BinbinChen 阅读(238) 评论(0) 推荐(0) 编辑