2016-03-01 106 views
0

我用中文分词做文本挖掘。我改变了数据类型为逗号和双引号的数据框。所以wordcloud很奇怪。就像这样: strange wordcloud中文文本挖掘

我的语法如下: 检查(d.corpus)

inspect(d.corpus) pic

d.corpus <- Corpus(DataframeSource(data.frame(as.character(d.corpus)))) 
tdm <- TermDocumentMatrix(d.corpus, control = list(wordLengths = c(2, Inf))) 
m1 <- as.matrix(tdm) 
v <- sort(rowSums(m1), decreasing = TRUE) 
d <- data.frame(word = names(v), freq = v) 
wordcloud(d$word, d$freq, min.freq = 5, random.order = F, ordered.colors = F, 
    colors = rainbow(length(row.names(m1)))) 

如何修改数据?

我试图拆句法:

d.corpus <- Corpus(DataframeSource(data.frame(as.character(d.corpus)))). 

为什么as.character(d.corpus)有3rows?

test1 <- as.character(d.corpus) 

回答

0

我发现,我用循环编辑姓名(V)数据。

for (i in 1:length(names(v))) 
{ 
    names(v)[i] <- gsub('[\",]','',names(v)[i]) 
} 

result