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devfn
2004 Jun 02
1
factor -> numeric
Hi,
I'm extracting data from a database with values for
different observation types in the same variable
(another variable deifnes the observation type). Some
of these observation types are factors, so R naturally
classifies the entire variable as a factor. I want to
select a subset and convert the values to numeric
values, but it isn't working; as shown below:
> rsm2<-subset(rsm,PlantStrataId==2,select=c(Value)...