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Re: st: upper limit on fweights? overflowing into missing values?


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: upper limit on fweights? overflowing into missing values?
Date   Sun, 28 Jul 2013 10:22:56 +0100

Thanks for the reproducible example. Please let us know what technical
support say.
Nick
[email protected]


On 27 July 2013 17:36, László Sándor <[email protected]> wrote:
> Hi,
> If you care, here is an example that silently produces missing values.
> I notified Stata Support.
>
> input y x fw
> 2 1 2147483621
> 1 2 2147483621
> end
> de
> pwcorr y x [fw=fw]
> exit
>
> Thanks,
>
> Laszlo
>
> On Sun, Jul 21, 2013 at 5:08 PM, Nick Cox <[email protected]> wrote:
>> I'd suggest documenting your problems with a reproducible example and
>> sending Stata tech support.
>>
>>
>> Nick
>> [email protected]
>>
>>
>> On 21 July 2013 21:55, László Sándor <[email protected]> wrote:
>>> Hi,
>>> in Stata/MP 12.1 I am getting missing values with using -pwcorr- with
>>> -fweights- though the feature works fine with other data or if I scale
>>> my weights down. Is it possible to simply have too large fweights,
>>> e.g. if they cannot be of type -long- anymore?
>>>
>>> If so, why doesn't Stata warn me about this?
>>>
>>> I vaguely remember some Statalist of Stata blog discussion of this,
>>> but I could not even Google it up, and Stata still did not warn me…
>>>
>>> Actually, why didn't Stata complain that I did not have integer
>>> fweights if obviously the variable wasn't of type byte, int or long?
>>>
>>> Thanks,
>>>
>>> Laszlo
>>>
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