[R] How to Group Categorical data in R?

priyank priyank.tripathi at gmail.com
Sat Mar 17 22:37:36 CET 2012

How about this --?

##Assumes you have read your data into data frame "Msg17"

## Capture unique values from data file's Column 3
Col3 <- unique(Msg17$V3)

#Captures length of the unique value vector
LCol3 <- length(Col3)

## Loop to sequentially select rows with the unique Col3 values
for (i in 1:LCol3) {
  print(paste("Column", Col3[i]))

Good luck!

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