[R] a replace for subset

chalabi.elahe at yahoo.de chalabi.elahe at yahoo.de
Thu Apr 14 22:14:44 CEST 2016

Hi,I have a data set (mydata), which a part of this is like the following:  'data.frame':   36190 obs. of 16 variables:$ RE                    : int  38 41 11 67 30 18 38 41 41 30 ...$ LU                     : int  4200 3330 530 4500 3000 1790 4700 3400 3640 4000 ...$ COUNTRY        : Factor w/ 4 levels "DE","FR","JP", "FR"…$Light                  : Factor w/2 levels   "ON","OFF","ON", ….$OR                     : Factor w/2 levels   "S","T","S",….$PAT                  : Factor w/3 levels   "low", "high", "middle",….  Now I want to plot RE vs LU with ggplot2 for all the possible cases, I know how to do subsetting for the data but I want to know is there any shorter way to do that? For example I want to have a plot for RE vs LU for (COUNTRY= FR, Light=off, OR=S, PAT=low) and one for (COUNTRY= FR, Light=on, OR=S, PAT=high) and …., as you see doing subset is time consuming, is there any other way?Thank you for any help.Elahe
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