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trapstat
2008 Feb 09
4
Question
I have recently started learning R. I converted a Stata datafile into an R
image file, but I am unable to do anything with the data. For example, I am
unable to calculate the mean of any variable or create a scatterplot of some
of the data. I always get a message saying, "Error in plot(rgnpc, incmean)
: object "rgnpc" not found" when I attempt to make a simple plot of the