Code is provided below.
I was trying to follow the example at the following website:
http://www.ats.ucla.edu/stat/R/modules/factor_variables.htm
Only difference is that I am working with trying to remove a level from a
dataframe. In the example below, notice that "very.high" is still a level in
bargin$stuffnew, even though I thought I removed it.
Thanks for info on what I might have overlooked to remove "very.high" level and
if I can do it after the fact from bargin$stuffnew.
Thanks again.
bargin<-NULL
ses<-NULL
ses <- c("low", "middle", "low", "low", "low", "low", "middle", "low",
"middle", "middle", "middle", "middle", "middle", "high", "high", "low",
"middle", "middle", "low", "high")
bargin$stuff <- factor(ses, levels = c("low", "middle", "high"))
bargin$stuff
bargin$stuff<-factor(bargin$stuff, levels = c(levels(bargin$stuff),
"very.high"))
bargin$stuff
bargin$stuffnew<-bargin$stuff[bargin$stuff != "very.high"]
bargin$stuffnew
[1] low middle low low low low middle low middle middle
middle middle middle high
[15] high low middle middle low high
Levels: low middle high very.high
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