Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
From | Chiara Mussida <cmussida@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: playing with coefficients |
Date | Fri, 23 Mar 2012 15:33:16 +0100 |
Occupation takes the values from 1 to 7, therefore by using i.occupation I get 7 coefs. i.fem is instead a dummy variable (fem==1 if female, 0 otherwise). The use of both i.occupation and i.fem therefore gives me the coefs for female. How do I get the one for male (fem==0)? Thanks chiara On 23/03/2012, Christopher Baum <kit.baum@bc.edu> wrote: > <> > Chiara said > > I totally agree: is there a way to cast this as a single regression: > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==1 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==1 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==2 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==2 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==3 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==3 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==4 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==4 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==5 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==5 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==6 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==6 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==0 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==7 > reg lwage pexper pexpersq edu2 edu3 child12 married northe centre > south ftc partime d09 if fem==1 & cond3==1 & age>=15 & age<=64 & > dipind==1 & hours>20 & hours<55 & occupation==7 > > preserve > keep if cond3==1 & age>=15 & age<=64 & dipind==1 & hours>20 & hours<55 > reg lwage i.fem##i.occupation##c.(pexper pexpersq edu2 edu3 child12 married > northe centre south ftc partime d09) > restore > > If some of the parenthesized variables are categorical, rewrite the latter > as > > (c.pexper c.pexpersq i.edu2 i.edu3 c.child12 ... ) > > You can then use margins to produce coefficients or conditional means for > any combinations of gender and occupation. > > Kit > > Kit Baum | Boston College Economics & DIW Berlin | > http://ideas.repec.org/e/pba1.html > An Introduction to Stata Programming | > http://www.stata-press.com/books/isp.html > An Introduction to Modern Econometrics Using Stata | > http://www.stata-press.com/books/imeus.html > > > * > * 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/ > -- Chiara Mussida PhD candidate Doctoral school of Economic Policy Catholic University, Piacenza (Italy) * * 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/