我正在尝试运行此代码(Ubuntu 12.04,R 3.1.1)
# Load requisite packages
library(tm)
library(ggplot2)
library(lsa)
# Place Enron email snippets into a single vector.
text <- c(
"To Mr. Ken Lay, I’m writing to urge you to donate the millions of dollars you made from selling Enron stock before the company declared bankruptcy.",
"while you netted well over a $100 million, many of Enron's employees were financially devastated when the company declared bankruptcy and their retirement plans were wiped out",
"you sold $101 million worth …