Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, is already up and running.

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

Re: st: mata conformability error, but matrices are conformable

From   Maarten buis <>
Subject   Re: st: mata conformability error, but matrices are conformable
Date   Sat, 8 May 2010 01:59:00 -0700 (PDT)

--- On Sat, 8/5/10, Misha Spisok wrote:
> > I am getting the following error due to some code I
> > have written (given below with complete, but short,
> > working example to reproduce the error):

--- On Sat, 8/5/10, Maarten buis wrote: 
> The changed code below works:

My earlier code, as well as the original code, 
ignored the selection of observations stored in `touse', 
so the Mata function can be better written as:

*------------------ begin code ---------------------
void makexb(string scalar rhs, string scalar touse)
        real matrix X 
        real rowvector b 
        real colvector Xb
        real scalar idx
        X = st_data(., tokens(rhs), touse)
        X = X, J(rows(X), 1, 1)
        b = st_matrix("e(b)")
        Xb = X*b'
        idx = st_addvar("float", "Xb")
        st_store(., idx, touse, Xb)
*--------------- end code -----------------

Hope this helps,

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


*   For searches and help try:

© Copyright 1996–2016 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index