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Re: st: List of variables with all missing (.) values?
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: List of variables with all missing (.) values?
Date
Thu, 24 Feb 2011 13:27:27 +0000
There is a slip from -all()- to -any()- here which I hope was easy to spot.
On Thu, Feb 24, 2011 at 11:15 AM, Nick Cox <[email protected]> wrote:
> Maarten kindly pointed to my -ds3-.
>
> -ds3- I consider to be superseded by my -findname- (unless you are
> using Stata 7 or 8, in which case you cannot use -findname-).
>
> -search findname- in an up-to-date Stata (download the fixed version,
> not the previous one).
>
> findname, all(missing(@))
>
> is the equivalent syntax to Maarten's suggestion. In fact, this finds
> string variables that are all missing as well.
>
> findname, type(numeric) any(missing(@))
>
> finds numeric variables that are all missing.
>
> Also, there is a difference between all missing and all equal to
> sysmiss . -- which may or may not be important in your case.
>
> Also, -search nmissing- and -search dropmiss- for other programs in
> this territory,
>
> Nick
>
> On Thu, Feb 24, 2011 at 10:58 AM, Maarten buis <[email protected]> wrote:
>
>> --- On Thu, 24/2/11, Michael Costello wrote:
>>> Is there a way to get a list of variables which have
>>> every value set to missing (.)?
>>
>> ssc install ds3
>> ds3, all(missing(X))
>>
>
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