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st: twoway line

From   "Lynn Lee" <>
To   <>
Subject   st: twoway line
Date   Sun, 7 Oct 2012 21:06:05 +0800

Thank you, Nick. 

I tried -rplot-, but twoway line is not allowed. The  -eclplot- is  defined.
How to plot twoway line in -eclplot- command? 

Thank you for your suggestion.

Best Regards,
Lynn Lee

-----Original Message-----
[] On Behalf Of Nick Cox
Sent: Sunday, October 07, 2012 8:27 PM
Subject: Re: st: twoway line

By -parm- you presumably allude to -parmest- (SJ/Roger Newson's own site).
If you use that, or any other convenient command, to save the coefficients
to a dataset, then you can plot the coefficients with
-eclplot- (SJ/Roger Newson's own site) or with a suitable combination of
-twoway line- and -rcap-.

That said, your treatment of years may yield inaccurate confidence intervals
if you are not properly modelling serial dependence.


On Sun, Oct 7, 2012 at 1:04 PM, Lynn Lee <> wrote:
> Thank you for your reminder, Nick. I apologize for unclearness.
> I run an OLS regression regarding returns to education.There are 20 
> years, each year has its coefficient on returns o education. So, I 
> want to plot a graph, with year on x-axis  , each year's coefficient  
> on y-axis, and confidence interval marked on the graph. How to create 
> a data set that store all coefficients in it, so, I can plot this picture
> Maarten,
> First, thank you for your email regarding the interesting document of 
> -parm- and confidence interval plot. But I see, the plots seems to be 
> in discrete case. If I want to plot graph that is in "twoway line" 
> shape, how to do that? Since I want to plot coefficients over years.
> I appreciate for your help.
> Best Regards,
> Lynn Lee
> -----Original Message-----
> From:
> [] On Behalf Of Nick Cox
> Sent: Sunday, October 07, 2012 4:13 PM
> To:
> Subject: Re: st: twoway line
> What is "the [line] graph regarding [20] coefficients" from what 
> presumably is a multiple regression obtained with -regress-?
> You need to explain precisely what you want, i.e. what is on the y 
> axis, what is on the x axis, and how the 20 coefficients feature.
> Nick
> On Sun, Oct 7, 2012 at 3:45 AM, Lynn Lee <> wrote:
>> I am trying to plot twoway line with regard to coefficients in OLS.
>> For example, the model has 20 coefficients, I want to plot the graph 
>> regarding these coefficients. I tried to use command -eret-,  but 
>> coefficients can not be stored in data set. How to do this plotting?
>> Any suggestion is appreciated.
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