[R] %in% operator - NOT IN

[Berwin A Turlach]

G'day Dan,

On Sun, 8 May 2011 05:06:27 -0400
Dan Abner <dan.abner99 at gmail.com> wrote:

> Hello everyone,
> 
> I am attempting to use the %in% operator with the ! to produce a NOT
> IN type of operation. Why does this not work? Suggestions?
> 
> > data2[data1$char1 %in% c("string1","string2"),1]<-min(data1$x1)
> > data2[data1$char1 ! %in%
> > c("string1","string2"),1]<-max(data1$x1)+1000
> 
> Error: unexpected '!' in "data2[data1$char1 !"

Try (untested)

R> data2[!(data1$char1 %in% c("string1","string2")),1]<-max(data1$x1)+1000 

HTH.

Cheers,

	Berwin