Hello Marten,
Thank you for your reply. I never quite could understand what ///
means ? Is that a comment ? Could you please tell me what that is ? I
was modifying a code where I found that.
Thank you,
Ashim
On 9/12/08, Maarten buis <[email protected]> wrote:
> I haven't looked at the rest of the program, but you should have
> commented out a hard return after the line: -key(string)-
>
> program define keysortrows
> version 9
> syntax varlist(min=2) , ///
> [ ///
> key(string) ///
> ]
>
> (You don't want to know how often I made that mistake when adding a new
> option...)
>
> -- Maarten
>
> --- Ashim Kapoor <[email protected]> wrote:
>
> > Hello everyone,
> >
> > I have written a small program which sorts rowwise using a "key". I
> > am
> > new to mata so maybe I am not getting the syntax correct although I
> > believe I have the logic of the code right.
> > The code gives me an error " invalid syntax " after the execution of
> > the line
> > "keysortrows(x1 x2), key(k1 k2) "
> >
> > Could someone please point out my mistake?
> >
> > Below is the code :-
> >
> > program define keysortrows
> > version 9
> > syntax varlist(min=2) , ///
> > [ ///
> > key(string)
> > ]
> >
> > marksample touse, strok novarlist
> >
> > mata _keysortrower("`varlist'", "`key'","`touse'")
> >
> >
> > end
> >
> >
> > clear
> >
> > use data
> >
> > keysortrows(x1 x2), key(k1 k2)
> >
> > list
> >
> > version 9
> > mata
> > void _keysortrower(string scalar varlist,string scalar key, string
> > scalar touse)
> > {
> >
> > real matrix x
> >
> > st_view(X,.,tokens(varlist),touse)
> > st_view(Y,.,tokens(key), touse)
> >
> >
> > for(i=1;i<=rows(X);i++){
> > x=(X[i,.]\Y[i,.])
> >
> > x=sort(x',2)
> >
> > x=x'
> > X[i,.]=x[1,.]
> > Y[i,.]=x[2,.]
> >
> > }
> > end
> > *
> > * 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/
> >
>
>
> -----------------------------------------
> Maarten L. Buis
> Department of Social Research Methodology
> Vrije Universiteit Amsterdam
> Boelelaan 1081
> 1081 HV Amsterdam
> The Netherlands
>
> visiting address:
> Buitenveldertselaan 3 (Metropolitan), room N515
>
> +31 20 5986715
>
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
>
>
>
> *
> * 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/
