[R] factor failure

Erik Iverson eriki at ccbr.umn.edu
Fri Aug 13 03:10:12 CEST 2010


On 08/12/2010 08:00 PM, elaine kuo wrote:
> Dear list,
>
>
> factor function was tried but failed.
> Pls kindly help and thank you.
>
> E.
>
>
> code
>
> rm(list=ls())
> library(faraway)
> data (pima)
>
> pima$test<  - factor (pima$test)
>    [1] NA NA NA NA NA NA

The unreported warning message should have given you a
hint.

I'm guessing you want the assignment operator, which is:

<-  (no spaces)

pima$test <- factor(pima$test)



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