Marvelous, thank you!
On Mon, Nov 9, 2009 at 5:45 PM, Maarten buis <[email protected]> wrote:
> --- On Mon, 9/11/09, Dorothy Bridges wrote:
>> Now I would like to generate predicted values of le, **as
>> if** all of the method-a observations had been created using
>> method b.
>
> *------------------ begin example --------------------
> sysuse uslifeexp.dta, clear
>
> **(Imitating my actual data)
> gen le_measure1=.
> replace le_measure1=le-5 if year<=1950 | year==1965 | year==1972 | ///
> year==1986 | year==1989
> replace le_measure1=le if le_measure1==.
>
> **The regression:
> gen measuredummy=1
> replace measuredummy=0 if le_measure1==le
>
> regress le_measure1 year measuredummy
>
> clonevar temp = measuredummy
>
> replace measuredummy = 0
> predict le0, xb
>
> replace measuredummy = 1
> predict le1, xb
>
> replace measuredummy = temp
> drop temp
>
> twoway scatter le_measure1 year if measuredummy == 0 || ///
> scatter le_measure1 year if measuredummy == 1 || ///
> line le0 year || ///
> line le1 year, ///
> legend(order(1 "measure 0" ///
> 3 "measure 0" ///
> - " " ///
> 2 "measure 1" ///
> 4 "measure 1" ))
> *---------------------- end example -----------------------------
>
> Hope this helps,
> Maarten
>
> --------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
>
> http://www.maartenbuis.nl
> --------------------------
>
>
>
>
>
>
> *
> * 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/
