[R] Need help creating multiple datasets using loops or vectorization

[Uwe Ligges]

Forget the loop and use

vocallGrp <- split(vocallsub, vocallsub$Group)


Uwe Ligges


Anderson, Chris wrote:
> I am trying to create multiple dataset by group like the following using either a loop or vectorization:
> 
> vocallGp1<-subset(vocallsub, Group==1)
> vocallGp2<-subset(vocallsub, Group==2)
> vocallGp3<-subset(vocallsub, Group==3)
>  vocallGp4<-subset(vocallsub, Group==4)
>  vocallGp5<-subset(vocallsub, Group==5)
> 
> When I create the loop I get the following error:
> 
> vocallsub<-vocall[c("PatientID","Group")]
>> for(i in 1:length(vocallsub$Group)){vocallGrp[i]<-subset(vocallsub, Group==(i))}
> Error in vocallGrp[i] <- subset(vocallsub, Group == (i)) :
>   object 'vocallGrp' not found
> 
> This is my first time attempting to create a loop and am not sure what I am missing and I need assistance with the proper syntax.
> 
> 
> Chris Anderson
> Data Analyst
> Medical Affairs
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