我想我犯了一个非常简单的错误,但我是R的新秀,我很难搞清楚。我正在尝试使用R中的'stm'包对我抓取的推文数据集进行一些主题建模。
数据集格式化为两列,一列具有推文发送者的名称,列标题为“元”,另一列具有推文的词汇,列标题,“词汇”。运行下面的脚本后,我收到以下错误:
Error: is.Source(s) is not TRUE
In addition: Warning message:
In is.Source(s) : vectorized sources must have a positive length entry
library(stm)
library(igraph)
setwd("c:/Users/Adam/Desktop/RTwitter")
data <-read.csv("TweetDataSTM.csv")
processed <- textProcessor(data$documents, metadata = data)
out <- prepDocuments(processed$documents, processed$vocab, processed$meta)
docs <- out$documents
vocab <- out$vocab
meta <-out$meta
> library(stm)
> library(igraph)
> setwd("c:/Users/Adam/Desktop/RTwitter")
>
> rm(list=ls())
>
> data <-read.csv("TweetDataSTM.csv")
> processed <- textProcessor(data$documents, metadata = data)
Building corpus...
Error: is.Source(s) is not TRUE
In addition: Warning message:
In is.Source(s) : vectorized sources must have a positive length entry
> out <- prepDocuments(processed$documents, processed$vocab, processed$meta)
Error in prepDocuments(processed$documents, processed$vocab, processed$meta) :
object 'processed' not found
> docs <- out$documents
Error: object 'out' not found
> vocab <- out$vocab
Error: object 'out' not found
> meta <-out$meta
Error: object 'out' not found
(任何建议将不胜感激!)
-亚当
我认为你的错误发生是因为你的列被命名为vocab
和meta
。但在这里
已处理的< - textProcessor(数据$文档,元数据=数据)
你试图调用一个列documents
- 据我所知 - 你的data.frame中不存在。尝试将代码更改为:
processed <- textProcessor(data$vocab, metadata = data)