From: Arnab mukherji (email@example.com)
Date: Sat 08 Feb 2003 - 13:13:03 EST
I have a query about the following:
if we define:
eq <- y ~ x1 + x2
then is.language(eq) returns true.
this works perfectly with commands such as
Now I have a big data set with about 2000 independent variables. So I tried to automate this. I can pick off the names of the variables and insert a plus in between them and get a string. Thus I have
eq<- y ~ " x1 + x2 + ... +x2000"
eq<-"y ~ " x1 + x2 + ... +x2000"
from either case how can I typecast eq into a langugae object and get the lm command to work ?
Does anyone have any suggestions?
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