Displaying 1 result from an estimated 1 matches for "tp4577123p4577206".
2012 Apr 21
2
using "factor" to eliminate unused levels without dropping other variables
Hello,
I have been banging my head against the wall trying to figure out this
seemingly simple problem with no success. I'm hoping that one or some
of you can help.
Here is the code I am trying to use:
#importing data
data.file <-read.csv("/file/location", header=TRUE, sep = ",")
#selecting a subset of data based on variable "Sample"
data.subset1 <-