[R] read a table ignoring specific rows ?

[Jean Eid]

why don't you just do

intable<-intable[intable$V1<=3,]

On Mon, 22 Aug 2005 vincent at 7d4.com wrote:

> Dear R users,
> First of all sorry for this question, surely quite naive.
> (I searched on the R site but was unable to find by myself).
>
> I have a table, called infile :
> 1 2 3
> 4 5 6
> 7 8 9
>
> I would like to read it and ignore the rows with 1st element > 3
> I do it now with a for loop, and it's ok,
> but I was expecting something simpler, like :
>
> intable  = read.table(infile);
> newtable = intable[isgoodrow(intable)];
>
> where :   isgoodrow = function(therow)
> {if (therow$V1 > 3) return(F) else return(T);};
>
> (... but this don't work).
>
> So, could somebody please tell me if there is a way to read
> a table ignoring specific rows, without using a for loop ?
> ... and if yes how ?
>
> Thanks
> Vincent
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>