st: Updates to esta, esto, estout, and estadd available from SSC

["Ben Jann" <ben.jann@gmail.com>]

Thanks to Kit Baum, updates to -esta-, -esto-, -estout-, and -estadd-
are available from the  SSC archive.

To install the updates, type

. ssc install esta, replace
. ssc install esto, replace
. ssc install estout, replace
. ssc install estadd, replace

or use the -adoupdate- command.

Changes to -esta- (module to display formatted regression table):

o  -esta- has a new -rtf- option to write a table in Rich Text Format
   for use with Word (tested on Word 2002 on Windows XP). The
   option is under development. It may not yet work with other RFT
   readers.

o  -esta- has a new -main(name)- option to print the contents of
   e(name) instead of point estimates. For example,

     . sysuse auto
     . reg price mpg weight
     . estadd summ
     . esta, main(mean) aux(sd) nocons

   would print a table containing the means and standard deviations
   of the regressors.

Changes to -esto- (module to store estimates):

o  The default for -esto- was to store the estimates without the e(sample)
   (to save memory). This has been changed. -esto- now does store the
   e(sample) by default.

o  There new command called -_esto-. It is a variant on -esto- that, by
   default, does not store the e(sample). Essentially, -_esto- is a shortcut
   to -esto, noesample-.

Changes to -estout- (module to export estimation results):

o  The * and ? wildcards are now allowed in equation name specifications
   in options such as keep(), drop(), and order().

o  Coefficient name specifications in options such as keep(), drop(), and
   order() were internally expanded using the -unabbrev- command. This
   was somewhat inconsistent because it only worked for coefficients
   which had a accompaining variables in the current dataset. The new
   version of -estout- now uses the set of existing coefficient names in
   the models as the basis for name expansion. The * and ? wildcards
   are allowed (however, abbreviation without wildcards is not supported
   anymore).

Changes to -estadd- (module to add results to stored estimates):

o  There is a new subcommand called -lrtest- to add results from a
   likelihood-ratio test.

ben
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