[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: RE: Accessing post-estimation variable names
Fast and fabulous!
On 8 Dec 04, at 18:16, Nick Cox wrote:
> . sysuse auto
> . reg mpg weight price length
> . mat b = e(b)
> . local names : colnames b
> . di "`names'"
> weight price length _cons
> In your code
> mat b = e(b)
> local cn : colnames `b'
> you are using a local macro b,
> which presumably was defined earlier.
> Depending on what it contains,
> some bizarre results would not be
> In fact
> local names : colnames e(b)
> also works. You just need to ignore
> the _cons.
> Jan Teorell
> > I am writing a program for a post-estimation command where I need
> > to access the names of all the variables (not only the dependent
> > one) that were used by the previous estimation command. For
> > example, after regr y x z w, I want access to the string "y x z w" in
> > my own command (long), parse this string and make a number of
> > transformations on each of its variables. Anyone knows how to
> > access the string? (I thought mat b = e(b), local cn: colnames `b'
> > would to it, but cn contains strange series of numbers, no variables
> > names; apparently, the macro extended function colnames only
> > works in order to name the columns of other matrices with mat
> > colnames.)
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
* For searches and help try: