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Re: st: Calculating trendline in stata
From
Tinofa Mutevedzi <[email protected]>
To
[email protected]
Subject
Re: st: Calculating trendline in stata
Date
Tue, 22 Apr 2014 23:29:07 +0200
Dear Richard,
thank you. But your explanation only works for proportions. What if I
want a trendline for means?
On 7 March 2014 16:54, Richard Goldstein <[email protected]> wrote:
> it is not at all clear what your question is; this is a very simple, and
> limited, command taking 3 arguments and no options: the first argument
> is a variable with the number of positives (e.g., events) and the second
> is the number of negatives (so their sum is the total number of tries)
> and third is the x variable for the regression
>
> if this setup does not match your data then you probably want a
> different command (e.g., -logistic- or -glogit- or -blogit-)
>
> Rich
>
> On 3/7/14, 9:42 AM, Tinofa Mutevedzi wrote:
>>
>> Could someone please help me with the command for ptrend from a module
>> by Patrick Royston.
>>
>> regards,
>>
>> Tinofa Mutevedzi
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