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catdoc
2012 Nov 24
2
Building factors across two columns, is this possible?
I am trying to make it so two columns with similar data use the same internal numbers for same factors, here is the example:
> read.csv("test.csv",header =FALSE,sep=",")
V1 V2 V3
1 sun moon stars
2 stars moon sun
3 cat dog catdog
4 dog moon sun
5 bird plane superman
6 1000 dog 2000
> data <- read.csv("test.csv",header =FALSE,sep=",")
> str(data)
'data.frame': 6 obs. of 3 variables:
$ V1: Factor w/ 6 levels "1000","bird",..: 6 5 3 4 2 1
$ V2: Factor...