Many ThanKs,

The subsecction on R is very clarifying.

Sorry yesterday I was a little confused

Many thanks.

2012/9/18 Ben Tupper <btupper@bigelow.org>

> Hi,
>
> On Sep 18, 2012, at 3:25 PM, Bert Gunter wrote:
>
> > Please read An Introduction to R (or other R tutorial) to learn about
> > indexing in R.
> >
> > ?"[" or ?subset also will tell you how to do it, but they are rather
> terse.
> >
>
>
> That's a great start, but it might be helpful to provide a bit more
> specificity when directing a newcomer like Jose to the Introduction to R.
>  Perhaps by providing a link to the relevant sections like this...
>
> Here are nice descriptions of four different ways to index a vector:
>
> http://cran.r-project.org/doc/manuals/R-intro.html#Index-vectors
>
> These kinds of indexing techniques can be applied to each dimension of an
> array-like object such as your example.  You can see in David Winsemius'
> nice example that he applied the "logical" type of indexing to the rows of
> your data.
>
> Cheers,
> Ben
>
>
>
>
> > -- Bert
> >
> > On Tue, Sep 18, 2012 at 12:08 PM, Jose Narillos de Santos
> > <narillosdesantos@gmail.com> wrote:
> >> Hi I have an output data Data.csv
> >>
> >> this style:
> >>
> >> ,"V1","V2","V3"  1,"-9552","9552","C"  2,"0","9653","0"
> >> 3,"9614","9614","V"  4,"0","9527","0"  5,"-9752","9752","C"
> >> 6,"0","9883","0"  7,"0","9865","0"
> >> I want to create a new matrix ommintg all the rows where third column
> has
> >> 0.
> >>
> >> There is a way to do it easyly?
> >>
> >> Many thanks in advance.
> >>
> >> My final matrix will have:
> >>
> >> ,"V1","V2","V3"1,"-9552","9552","C"
> >> 3,"9614","9614","V"5,"-9752","9752","C"
> >>
> >>        [[alternative HTML version deleted]]
> >>
> >> ______________________________________________
> >> R-help@r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >
> >
> >
> > --
> >
> > Bert Gunter
> > Genentech Nonclinical Biostatistics
> >
> > Internal Contact Info:
> > Phone: 467-7374
> > Website:
> >
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> Ben Tupper
> Bigelow Laboratory for Ocean Sciences
> 180 McKown Point Rd. P.O. Box 475
> West Boothbay Harbor, Maine   04575-0475
> http://www.bigelow.org
>
>
>
>
>
>
>
>

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