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# Re: st: compare panel line plots

 From May Ster To statalist@hsphsun2.harvard.edu Subject Re: st: compare panel line plots Date Mon, 9 May 2011 22:16:26 +0100

```Thank you Nick thus far,

I have in the end managed to figure out the sign of 'll' in the
command line given.
However, line Y time || line Yhat time doesn't give the grapy by
panel. It is just summed up all the panels altogether in one graph.

Thus, Could anyone help comparing the graphs and make it by panel please?
FYI, xtline Y II xtline Yhat is not valid, neither.

Your kind help will be much appreciated.

Best Regards,

M.Frank

On Mon, May 9, 2011 at 9:14 PM, May Ster <mayfrank@gmail.com> wrote:
> Oh sorry i might have misunderstood the command.
>
> The one i have tried is -line Y time ll Yhat time-
>
> which i think it is incorrect. The correct one should be as you've
> mentioned - line Y time ll line Yhat time -
>
> However, when i tried to do - line Y time ll line Yhat time - STATA says :
> . line lrealexp year  line xtreg year
> r(111);
>
> i'm not sure whether i understand the command correctly. what is the
> 'II' in the command line? Isn't it double space? or double capital i?
> I have tried both and it didn't not seem to work out.
>
>
>
>
>
> On Mon, May 9, 2011 at 9:01 PM, May Ster <mayfrank@gmail.com> wrote:
>>
>> Thank you Nick,
>>
>> Thank you Nick,
>>
>> I have tried as you suggested. However, it doesn't work as i firstly tried
>>
>> -line Y time - will, as expected, show all panel plots in one graph.
>>
>> and then i tired the one you've mentioned - line Y time II Yhat time -
>>
>> it appear that the time dimension which is year dummies will be graphed as another variable.
>>
>> Any suggestions ??
>>
>> On Thu, May 5, 2011 at 8:06 PM, Nick Cox <njcoxstata@gmail.com> wrote:
>>>
>>> Have you tried
>>>
>>> line Y time || line Yhat time
>>>
>>> ?
>>>
>>> On Thu, May 5, 2011 at 7:46 PM, May Ster <mayfrank@gmail.com> wrote:
>>>
>>> > I'm using -xtline- to compare panel data line plots of the predicted
>>> > value -Yhat- and the actual data ; let's called it -Y-
>>> >
>>> > FYI, the actual value -Y- contains missing data.
>>> >
>>> > After regression, i use -predict Yhat-
>>> > Then, i use -xtline Yhat-
>>> > The graph of -Yhat- looks fine having all the value estimated.
>>> >
>>> > However, when i use -xtline Yhat Y-  as i would like to compare the
>>> > predicted -Yhat- and the actual -Y- , two graphs given only compare
>>> > line plots in the area where -Y- contains value(meaning the areas
>>> > there is missing -Y-, the two graphs have gone missing too).
>>> >
>>> > Could anyone instruct how to get the line plot for -Yhat- in the area
>>> > where there is missing data (as it was evident when using the command
>>> > -xtline Yhat-  ?
>>>
>>> *
>>> *   For searches and help try:
>>> *   http://www.stata.com/help.cgi?search
>>> *   http://www.stata.com/support/statalist/faq
>>> *   http://www.ats.ucla.edu/stat/stata/
>>
>

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
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```