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Re: st: Using weights for Pearson correlations

From   "Mosi A. Ifatunji" <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: Using weights for Pearson correlations
Date   Sun, 24 Jul 2005 20:27:35 -0500


I tried the suggested syntax with aweights and got it to work. The problem
is that I AM interested in significance levels. I tried using fweights and
iweights but the command does not work (just like with pweights).

I also tried using the svy command(s). The basic suite of svy commands are
do not allow correlations. But I did find a command online that allows
correlations using the svy command: findit corr_svy. After setting up the
svy command suite with my weights (using svyset) and downloading the
corr_svy command, I ran the corr_svy command and compared it with the
results from the [aw=wights] command.

The results are the same.

Thanks for responding so soon and helping to put me in the right direction


On 7/24/05 7:13 PM, "Richard Williams" <[email protected]> wrote:

> At 07:00 PM 7/24/2005 -0500, Mosi A. Ifatunji wrote:
>> All,
>> How do I use weights when conducting Pearson correlations? I have tried
>> placing the weight syntax in three places:
>> pwcorr x1 x2 x3 [pw=weight], if....
> See -help pwcorr- .  The above comes closest but the -if- clause needs to
> come before the comma, i.e.
> pwcorr x1 x2 x3 [pw=weight] if.... ,
> HOWEVER, according to the help, only aweights and fweights are allowed, not
> pweights; so you may have to go to a plan B here.  Maybe there is another
> routine that does what you want, or maybe it can be done with the svy
> commands; I don't know.  Or, maybe you can just get by with using aweights,
> especially if you are not worried about significance tests.
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
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