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TopicModel主題模型 - 主題模型可視化

來源：程序員人生發(fā)布時(shí)間：2015-05-27 08:10:54 閱讀次數(shù)：4608次

http://blog.csdn.net/pipisorry

Browse LDA Topic Models

This package allows you to create a set of HTML files to browse a topic model.It creates a word cloud and time-graph per topic, and annotates a selection of documents with the topic for each word.
Installing 安裝

R命令行中輸入：

if (!require(devtools)) {install.packages("devtools"); library(devtools)}
install_github("vanatteveldt/topicbrowser")
library(topicbrowser)

第1步提示要安裝Rtools :
Loading required package: devtools
WARNING: Rtools is required to build R packages, but is not currently installed.
Please 
download and install Rtools 3.1 from http://cran.r-project.org/bin/windows/Rtools/, then run > find_rtools()
[1] TRUE
...
安裝完成后第1步就不會(huì)報(bào)錯(cuò)了

Note:

1. 當(dāng)前我使用的R版本3.2.0， Rtools版本3.3會(huì)報(bào)錯(cuò)，要安裝Rtools3.1！再看看官方的也是醉了！！！

[http://cran.r-project.org/bin/windows/Rtools/]

2. 注意Rtools和R版本的兼容，沒有毛病時(shí)的模樣:

> if (!require(devtools)) {install.packages("devtools"); library(devtools)} > install_github("vanatteveldt/topicbrowser") Downloading github repo vanatteveldt/topicbrowser@master Installing topicbrowser "C:/PROGRA~1/R/R⑶2~1.0/bin/x64/R" --vanilla CMD INSTALL "C:/Users/pi/AppData/Local/Temp/RtmpcvsU6M/devtools11d0fc638d5/vanatteveldt-topicbrowser-cfa62a3" --library="C:/Users/pi/Documents/R/win-library/3.2" --install-tests * installing *source* package 'topicbrowser' ... ** R ** data ** inst ** preparing package for lazy loading ** help *** installing help indices ** building package indices ** testing if installed package can be loaded * DONE (topicbrowser) Reloading installed topicbrowser > library(topicbrowser) >

Creating a topic browser

1. 先要安裝R實(shí)現(xiàn)的topicmodel包

> install.packages("topicmodels") Installing package into

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