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Re: st: Loop question
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: Loop question
Date
Sat, 9 Feb 2013 15:51:36 +0000
Note also that using equals signs when not needed can bite you:
SJ-8-4 pr0045 . . . . . . . . Stata tip 70: Beware the evaluating equal sign
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox
Q4/08 SJ 8(4):586--587 (no commands)
tip explaining the pitfall of losing content in a macro
because of limits on the length of string expressions
Nick
On Sat, Feb 9, 2013 at 3:35 PM, Cory Smith <[email protected]> wrote:
> It's a stylistic choice. Personally, I think it's cleaner to declare
> all special lists upfront, though I realize there are aspects of
> Stata's structure which discourage this.
On Sat, Feb 9, 2013 at 4:34 AM, Nick Cox <[email protected]> wrote:
>> Could also be
>>
>> foreach e in _icw _imp1w _imp2w _mw {
>> reg post`e' i.appliance pre`e'
>> }
>>
>> The local macro does no harm, but more direct code will work too.
On Sat, Feb 9, 2013 at 6:01 AM, Cory Smith <[email protected]> wrote:
>>> do something like:
>>>
>>> local ends = "_icw _imp1w _imp2w _imw"
>>>
>>> foreach e of local ends {
>>> reg post`e' i.appliance pre`e'
>>> }
On Sat, Feb 9, 2013 at 12:54 AM, Nikolaos Pandis <[email protected]> wrote:
>>>> I am trying to do the following in Stata 12.1:
>>>> ************************************************************
>>>>
>>>> foreach myvarpre of varlist pre_icw pre_imp1w pre_ipm2w pre_imw {
>>>> foreach myvarpost of varlist post_icw post_ipm1w post_ipm2w post_imw {
>>>> reg `myvarpost' i.appliance `myvarpre', noheader
>>>> }
>>>> }
>>>> *******************************************************************
>>>> How can I restrict in the regression and adjust only for the corresponding pre_* variable and not for all the variables in my list?
>>>>
>>>> I would like only to get only the following:
>>>>
>>>> reg post_icw i.appliance pre_icw
>>>> reg post_imp1w i.appliance pre_imp1w
>>>> reg post_imp2w i.appliance pre_imp2w
>>>> reg post_imw i.appliance pre_imw
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