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Re: st: twoway line


From   "Roger B. Newson" <r.newson@imperial.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: twoway line
Date   Mon, 08 Oct 2012 11:17:25 +0100

A -twoway line- plot can be added to the plot produced by -eclplot-, using the -addplot()- option (if you want the line plot to be in the foreground) or tha -baddplot()- option (if you want the line to be in the background). Alternatively, if you want the line to be the estimates plot, then use the option -eplottype(line)- And, if you want the confidence limits to be lines, then use the option -rplottype(rline)-. For more details, see the on-line help for -eclplot-, and the various hypertext References in this on-line help.

Best wishes

Roger


Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology and Public Health Group
National Heart and Lung Institute
Imperial College London
Royal Brompton Campus
Room 33, Emmanuel Kaye Building
1B Manresa Road
London SW3 6LR
UNITED KINGDOM
Tel: +44 (0)20 7352 8121 ext 3381
Fax: +44 (0)20 7351 8322
Email: r.newson@imperial.ac.uk
Web page: http://www.imperial.ac.uk/nhli/r.newson/
Departmental Web page:
http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/

Opinions expressed are those of the author, not of the institution.

On 07/10/2012 14:06, Lynn Lee wrote:
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-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Sunday, October 07, 2012 8:27 PM
To: statalist@hsphsun2.harvard.edu
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.

Nick

On Sun, Oct 7, 2012 at 1:04 PM, Lynn Lee <lynn09v@gmail.com> 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
easily?

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: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Sunday, October 07, 2012 4:13 PM
To: statalist@hsphsun2.harvard.edu
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 <lynn09v@gmail.com> 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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