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1096
2010 Aug 19
1
modifying factors in a data frame
Hi All
I have a data frame in which on the columns is a factor with following
levels
Levels: M006 M0114 M0379 M0432 M0823 M1012 M1096 M1107 SW393 SW708
I want to change all the M006 to "1", M0114 to "2" and so on. What I am
trying is not working.
data1$sample[data1$sample =='M006'] <- "1"
Warning message:
In `[<-.factor`(`*tmp*`, data1$sample == "M006", value = "1"...