. 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
surprising.
In fact
local names : colnames e(b)
also works. You just need to ignore
the _cons.
Nick
[email protected]
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.)
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