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| sms_corpus <- VCorpus(VectorSource(sms_raw$Msg)) | |
| sms_dtm <- DocumentTermMatrix(sms_corpus, control = | |
| list(tolower = TRUE, | |
| removeNumbers = TRUE, | |
| stopwords = TRUE, | |
| removePunctuation = TRUE, | |
| stemming = TRUE)) | |
| dim(sms_dtm) |
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