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Re: st: forvalues


From   - <dimpol7@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: forvalues
Date   Tue, 23 Oct 2012 14:24:26 +0100

Yes, I ignored it because

On 23 October 2012 14:20, Nick Cox <njcoxstata@gmail.com> wrote:
> You are ignoring the comment made now to you directly at least three
> times on this list that you are expected to use your real name on this
> list.
>
> In your own best interests please find out _now_ how to show your real
> name in people's inboxes.
>
> That said, what you are asking is covered by an FAQ.
>
> FAQ     . . . . . . . . . . Making foreach go through all values of a variable
>         . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. J. Cox
>         8/05    Is there a way to tell Stata to try all values of a
>                 particular variable in a foreach statement without
>                 specifying them?
>                 http://www.stata.com/support/faqs/data-management/
>                 try-all-values-with-foreach/
>
>
>
> Nick
>
> On Tue, Oct 23, 2012 at 2:15 PM, - <dimpol7@googlemail.com> wrote:
>> Thank you for this,
>> it is working now using levelsof, as I wrote above, but I will try
>> your suggestion as well.
>>
>> thanks again
>>
>> On 23 October 2012 14:11, Nick Cox <njcoxstata@gmail.com> wrote:
>>> dimpol7 asked what he or she is doing wrong.
>>>
>>> First off, as already pointed out to dimpol7, we ask for full real
>>> names on Statalist. See my posting replying to dimpol7 on 12 October.
>>>
>>> Second off,
>>>
>>> forvalues i = 1/53 {
>>>         tabstat age if single=='i', by(sexcat) stats(mean sd n min max
>>> median p10 p25 p75 p90)
>>> }
>>>
>>> will fail if there are _any_ value of -single- in 1/53 for which there
>>> are no observations. Stata is disagreeing with you on that, but all my
>>> money is on Stata being right and you being wrong here.
>>>
>>> I suggest that you try
>>>
>>> di "`i'"
>>> capture noisily tabstat age if single=='i', by(sexcat) stats(mean sd n
>>> min max median p10 p25 p75 p90
>>>
>>> A line displaying which value this is going to be needed to
>>> distinguish the tables. -capture noisily- will proceed past any
>>> errors.
>>>
>>> Nick
>>>
>>>
>>> On Tue, Oct 23, 2012 at 1:14 PM, - <dimpol7@googlemail.com> wrote:
>>>> It still won't do it, it says "no observations", but there are
>>>> observations there...
>>>>
>>>> On 23 October 2012 13:09, Henrik Støvring <STOVRING@biostat.au.dk> wrote:
>>>>> Your accents are off. You need to replace 'i' with `i' - note the
>>>>> difference in the first accent.
>>>>>
>>>>> Best,
>>>>>
>>>>> Henrik
>>>>>
>>>>> On 10/23/2012 02:04 PM, - wrote:
>>>>>> hello all,
>>>>>> I'm trying to build a simple loop, and have looked at Help for
>>>>>> "foreach" and "forvalues", but can't get it to work. I just want to
>>>>>> set a variable i to take consecutive values from 1 to 53, so use
>>>>>> forvalues i=1/53, then give its value to a variable in my data called
>>>>>> "single" (refers to the number of samples for each person) which has
>>>>>> integer values ranging from 1 to 53, and create tables of statistics
>>>>>> for age in men and women. So there would be 53 tables of ages, one for
>>>>>> each number of samples, summarized by sex.
>>>>>> Haven't use loops in stata before, I write:
>>>>>>
>>>>>> forvalues i = 1/53 {
>>>>>>    2. tabstat age if(single=='i'), by(sexcat) stats(mean sd n min max
>>>>>> median p10 p25 p75 p90)
>>>>>>    3. }
>>>>>>
>>>>>> but the message is that 'i' is an invalid name. If I use
>>>>>> if(single==i), it says "i not found". Can anyone tell me what I'm
>>>>>> doing wrong?
>>>
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