Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: matrix subsetting


From   Sergiy Radyakin <serjradyakin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: matrix subsetting
Date   Thu, 8 Oct 2009 14:45:22 -0400

. mat x = (1,2,3,4 \ 5,6,7,8 \ 9,10,11,12)
. mat z = x[1..3,1],x[1..3,3]
. mat l z

z[3,2]
    c1  c3
r1   1   3
r2   5   7
r3   9  11

Best, Sergiy




On Thu, Oct 8, 2009 at 6:53 AM, Thomas <tpt21@cam.ac.uk> wrote:
> Dear all,
>
> I am trying to extract non-adjacent columns (1 and 3) from a matrix (in
> Stata not Mata):
>
> mat x = (1,2,3,4 \ 5,6,7,8 \ 9,10,11,12)
> mat z = x[1..3,(1,3)]
>
> I get a type mismatch error. What am I doing wrong?
>
> Many thanks,
> Thomas
>
> --
> ________________________________
> Thomas Triebs
> email: tpt21@cam.ac.uk
>
> PhD Candidate
> Judge Business School
> University of Cambridge
>
> Member of the Electricity Policy
> Reseach Group
> http://www.eprg.group.cam.ac.uk/
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index