Re: st: Command line syntax for optional and required numeric statements

[Nick Cox <njcoxstata@gmail.com>]

OK; but my advice on using -trace- commands still stands.

Nick

On Sat, Jan 12, 2013 at 1:53 AM, Stephen Cranney <scranney@sas.upenn.edu> wrote:
> Apologies, that was actually a comment from a prior version. It should
> be on the same line as the * comment on the line before, but the email
> made it into another line, so that's not an issue.
>
> On Fri, Jan 11, 2013 at 8:25 PM, Nick Cox <njcoxstata@gmail.com> wrote:
>> generate .o= oldage infertility
>>
>> won't work. In general, see -help trace- to learn about debugging commands.
>>
>> Nick
>>
>> On Sat, Jan 12, 2013 at 12:46 AM, Stephen Cranney
>> <scranney@sas.upenn.edu> wrote:
>>> I tried discard (thanks for the head up--didn't know that could be an
>>> issue), but it still isn't working.
>>>
>>> I'm usually not wont to do this, but because I'm a little lost I'm
>>> just going to go ahead and post the whole command I'm trying to write,
>>> not because I expect anybody to spend the time to pick apart the whole
>>> code, but just because this has some problem in the beginning couple
>>> of lines that needs context. Everything within the syntax bracket is
>>> on one line, but was cut up because of the email.
>>>
>>> program birthsim, rclass
>>> version 11.2
>>> syntax [, startyear (real 2000) endyear(real 2100) birthday (real 9)
>>> birthmonth (real 1) birthyear (real 1987) marriageday (real 24)
>>> marriagemonth (real 8) marriageyear (real 2008) latestageatbirth(real
>>> 50) probabilityconceive(real .2) contraceptioneffectiveness(real 0)
>>> probabilitymiscarriage(real .25) fetallossinfertility(real 4)
>>> monthsofpostpartum(real 12)]
>>>
>>> *******************************************************************************************************
>>> *Setup data columns
>>> *******************************************************************************************************
>>> set more off
>>> set obs 1
>>> generate id=1
>>> generate age=25
>>> generate births= .f
>>>
>>> set more off
>>> forvalues bot = `startyear'(1)`endyear' {
>>>   gen age`bot' = age >= `bot'
>>> }
>>> replace age2012=age
>>> drop age
>>> reshape long age, i(id) j(year)
>>> egen month=group (year id)
>>> forvalues month = 1(1)12 {
>>>   gen month`month' = month >= `month'
>>> }
>>> egen group=group(year id)
>>> drop month
>>> reshape long month, i(group) j(newvar)
>>> drop month
>>> rename newvar month
>>> drop group
>>>
>>> *******************************************************************************************
>>> *Calculate birthday, age, and marriage day variable
>>> *******************************************************************************************
>>> generate birthdate=mdy(`birthmonth',`birthday',`birthyear')
>>> format birthdate %d
>>> generate marriagedate=mdy(`marriagemonth', `marriageday', `marriageyear')
>>> format marriagedate %d
>>> generate marriageage= (marriagedate-birthdate)/365.25
>>> generate day=1
>>> generate date=mdy(month, day, year)
>>> format day %d
>>> replace age=(date-birthdate)/365.25
>>> generate contraceptionnoneffectiveness= 1-`contraceptioneffectiveness'
>>> generate probabilityconceive2= `probabilityconceive'*
>>> contraceptionnoneffectiveness
>>> ************************************************************************************************************
>>> *Calculate probability of having a child, .i= postpartum infertility,
>>> generate .o= oldage infertility
>>> **********************************************************************************************************
>>> replace births= .a if age > `latestageatbirth'
>>> replace births= .a if age < marriageage
>>> replace births= rbinomial(1, probabilityconceive2) if births== .f
>>> generate miscarriage= rbinomial(1, `probabilitymiscarriage') if births== 1
>>>
>>> ******************************************************************************************
>>> *Create postpartum and post-abortive infertility.
>>> ******************************************************************************************
>>> local N = _N
>>> local  monthsofpostpartum =  12
>>> local monthsofpostmiscarriage= 7
>>> forvalues i = 1/`N' {
>>>         forvalues j= 1/`monthsofpostpartum' {
>>>               local k = `i' + `j'
>>>               local s= (`monthsofpostmiscarriage'-`j') + `i' + 1
>>>                 if births[`i']==1 & miscarriage[`i']==0 replace
>>> births= .p in `k'
>>>                 if births[`i']==1 & miscarriage[`i']==1 & `s'>1
>>> replace births= .m in `s'
>>>                 }
>>>         }
>>> sum births if births==1
>>> return scalar children= r(N)
>>> end
>>>
>>> On Fri, Jan 11, 2013 at 4:45 PM, kantor.d@att.net <kantor.d@att.net> wrote:
>>>> Are remembering to -discard- ?
>>>>
>>>> Sent with Verizon Mobile Email
>>>>
>>>>
>>>> ---Original Message---
>>>> From: statalist@hsphsun2.harvard.edu
>>>> Sent: 1/11/2013 4:42 pm
>>>> To: statalist@hsphsun2.harvard.edu
>>>> Subject: RE: st: Command line syntax for optional and required numeric statements
>>>>
>>>> Stephen,
>>>>
>>>> The following lines of code work fine for me, so you'll need to show us a little more of what you're doing.
>>>>
>>>> Incidentally, I thought the spaces after the -birthday- and -birthmonth- options would bite, but it works fine with them.
>>>>
>>>> - Elan
>>>>
>>>>
>>>> cap program drop testsyntax
>>>> program testsyntax
>>>>         syntax [, startyear(real 2000) birthday (real 9) birthmonth (real 1)]
>>>>
>>>>         di "`startyear'"
>>>>         di "`birthday'"
>>>>         di "`birthmonth'"
>>>> end
>>>> testsyntax
>>>> testsyntax, startyear(1981) birthday(5) birthmonth(1)
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Stephen Cranney
>>>> Sent: Friday, January 11, 2013 16:25
>>>> To: statalist@hsphsun2.harvard.edu
>>>> Subject: Re: st: Command line syntax for optional and required numeric statements
>>>>
>>>> I'm still getting the "invalid syntax" response. I tried making it all
>>>> optional and setting default values just to make it simpler. Now I
>>>> have
>>>>
>>>> syntax [, startyear(real 2000) birthday (real 9) !
>>>>  birthmonth (real 1)]
>>>>
>>>> I've seen various examples online that have this same format that don't
>>>> seem to be having the same problem, so I guess at this point my main
>>>> question is: in what situations would Stata return an "invalid syntax"
>>>> response based on something put in the "syntax" line in the ado file?
>>>> Setting trace on doesn't help because "invalid syntax" is
>>>> the first thing that pops up.
>>>>
>>>> Best,
>>>>
>>>> Stephen
>>>>
>>>> On Fri, Jan 11, 2013 at 3:09 PM, Nick Cox <njcoxstata@gmail.com> wrote:
>>>>> The pattern
>>>>>
>>>>> latestageatbirth(default=50)
>>>>>
>>>>> isn't correct for options. See -help syntax-. Try e.g.
>>>>>
>>>>> latestageatbirth(real 50)
>>>>>
>>>>> Nick
>>>>>
>>>>> On Fri, Jan 11, 2013 at 7:31 PM, Stephen Cranney <scranney@sas.upenn.edu> wrote:
>>>>>
>>>>>> Apologies if this is simple, but I can't figure this out based on the
>>>>>> documentation.
>>>>>>
>>>>>> I'm writing an ado file and am trying to transfer all the macros I
>>>>>> reference inside the file to the command line. Some of the values I want to
>>>>>> make required, and some I wan!
>>>>  t to make optional, but with a default value
>>>>>> if the option is not t
>>>>
>>>> a
>>>> ken. All of the macros I want in the command line
>>>>>> are numeric.
>>>>>> A representative snippet of the code is below, based on what I've been able
>>>>>> to figure out from the documentation. It gives me an "invalid syntax"
>>>>>> response when I try to "birthsim, startyear(2000)...". It works when I do
>>>>>> it with args, but obviously that's much more cumbersome than syntax in this
>>>>>> context.
>>>>>>
>>>>>> program birthsim, rclass
>>>>>> version 11.2
>>>>>> syntax startyear(integer) endyear(integer)  [,latestageatbirth(default=50)
>>>>>> ]
>>>>>>
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