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From |
Anna Reimondos <areimondos@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: RE: Calculate number of alive male and female children from a family dataset |

Date |
Mon, 31 May 2010 13:00:24 +1000 |

Thank you very much Martin -that did the trick. I am very grateful! Anna On Mon, May 31, 2010 at 3:12 AM, Martin Weiss <martin.weiss1@gmx.de> wrote: > > <> > > Extension of this code to several mothers will require use of -bysort-, btw: > > > *********** > clear* > set obs 6 > *Mother's id > gen byte motherid=1 > > *Birth order > gen byte birth=_n > > *child's sex > gen byte chsex=1+inlist(_n,4,5) > > label define chsex 1 male 2 female > label values chsex chsex > > *born year > gen int bornyear=1982 > replace bornyear=1985 in 2 > replace bornyear=1986 in 3 > replace bornyear=1989 in 4 > replace bornyear=1990 in 5 > replace bornyear=1995 in 6 > > *death year > gen deathyear=1994 in 2 > > expand 2 if !mi(deathyear), gen(myindicator) > gen year=cond(myindicator, deathyear, bornyear) > la def myvals 0 "birth" 1 "death" > la val myindicator myvals > sort year > > gen deadmale=sum((chsex==1)*myindicator) > gen deadfemale=sum((chsex==2)*myindicator) > gen alivmale=sum((chsex==1)*!myindicator)-deadmale > gen alivfemale=sum((chsex==2)*!myindicator)-deadfemale > drop if myindicator > drop myindicator year > sort birth > > > list, noo sepby(chsex) > *********** > > > HTH > Martin > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Anna Reimondos > Sent: Sonntag, 30. Mai 2010 11:44 > To: statalist@hsphsun2.harvard.edu > Subject: st: Calculate number of alive male and female children from a > family dataset > > Hello statalisters, > I have a dataset which had the complete birth histories of a survey of > women. The data is in 'long' format so that each woman has one > observations for each child she has had. The information I want to > work with is the child's date of birth, date of death (if applicable) > and sex. From this I would like to calculate at the time of each > birth, how many alive male children the woman had, how many alive > female children, how many dead male children and how many dead female > children. That is the part I am having trouble with. > > Here is a quick example of one hypothetical womans history: > This woman has had 6 births (4 males, and 2 females - where sex=1 is > male and sex=2 is female) > All the children were still alive at the time of the survey except for > the second birth. That child died in 1994. > Based on this information I want to fill in the variables alivmale > (number of male children alive at the time of the birth of child X), > alivfem, deadmale and deadfem. > For example at the time of the birth of the 6th child the woman had > had 2 male children, 2 female children and the 1 male child that had > died. > > motherid Birth sex bornyear deathyear alivmale alivfem > deadmale deadfem > 1 1 1 1982 0 > 0 0 0 > 1 2 1 1985 1994 1 > 0 0 0 > 1 3 1 1986 2 > 0 0 0 > 1 4 2 1989 3 > 0 0 0 > 1 5 2 1990 3 > 1 0 0 > 1 6 1 1995 2 > 2 1 0 > > > > I can't seem to get it right. > I thought it would be a fun problem to get into, but after struggling > now for quite a long time it is not so fun anymore. > I hope someone will be able to see a solution.... > Thanks > Anna > > P.S I have written the code to produce this dataset in STATA as well > if that helps. > > set obs 6 > *Mother's id > gen motherid=1 > > *Birth order > gen birth=. > forvalues n=1/6 { > replace birth=`n' in `n'/`n' > } > > *child's sex > gen chsex=1 in 1/3 > replace chsex=2 in 4/5 > replace chsex=1 in 6/6 > > label define chsex 1 male 2 female > label values chsex chsex > > > *born year > gen bornyear=. > replace bornyear=1982 in 1/1 > replace bornyear=1985 in 2/2 > replace bornyear=1986 in 3/3 > replace bornyear=1989 in 4/4 > replace bornyear=1990 in 5/5 > replace bornyear=1995 in 6/6 > > *death year > gen deathyear=. > replace deathyear=1994 in 2/2 > * > * 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/ > * * 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/

**References**:**st: Calculate number of alive male and female children from a family dataset***From:*Anna Reimondos <areimondos@gmail.com>

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