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st: documentation of old -for- syntax
From
László Sándor <[email protected]>
To
[email protected]
Subject
st: documentation of old -for- syntax
Date
Fri, 18 Apr 2014 12:30:22 -0400
Hi,
I am not aware of documentation on some syntax I found in another
researcher's public code base. It still runs on Stata 13.1 MP (for
mac, e.g.), but I would feel better if I could double check what is
going on. Could anyone guide me to some readings on code like the
lines below? (-help for- says that "for is an out-of-date command as
of Stata 8. See foreach and forvalues for its replacement.")
gen byte child18=0
for num 1/18: bysort serial year: egen temp1=count(pernum) if
(momloc==X | poploc==X) & age<=18 \ bysort serial year: egen
temp2=max(temp1) \ replace child18=temp2 if pernum==X \ drop temp*
or:
gen stcode=""
for @ in any AK AL AR AZ CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA
MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK OR PA RI SC SD
TN TX UT VA VT WA WI WV WY \ # in num 02 01 05 04 06 08 09 11 10 12 13
15 19 16 17 18 20 21 22 25 24 23 26 27 29 28 30 37 38 31 33 34 35 32
36 39 40 41 42 44 45 46 47 48 49 51 50 53 55 54 56: replace stcode="@"
if statefip==#
or:
gen generosity=.
for Y in num 1984/2002 \ A in num 0.578 0.598 0.609 0.631 0.658 0.689
0.727 0.757 0.780 0.803 0.824 0.847 0.872 0.892 0.906 0.926 0.957
0.984 1.000 \ D in num 500 550 550 851 874 910 953 1192 1324 1434 2038
2094 2152 2210 2271 2312 2353 2428 2506: replace
generosity=ln(.4*((D*(1+eitc_s_child1))/A)+.4*((D*(1+eitc_s_child2))/A)+.2*((D*(1+eitc_s_child3))/A))
if year==Y
Thanks,
Laszlo
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