how to add another line to the regressin graph

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bit_xiaoxiao
Posts: 7
Joined: Tue May 25, 2010 9:41 pm

how to add another line to the regressin graph

Postby bit_xiaoxiao » Tue May 25, 2010 10:16 pm

I have already known how to do the linear regression with Eviews 6, and I can draw the regression plot.

For example, I got a regression line such as y = 2x + 3.

Now I want to add another line to the regression plot( just for camparison aim),such as y = 1.5x +2, how can I add the second line into the plot?

thank you!

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: how to add another line to the regressin graph

Postby startz » Tue May 25, 2010 11:30 pm

Make up a new series

Code: Select all

series yAlternative = 1.5*x+2
and add yAlternative to the graph.

bit_xiaoxiao
Posts: 7
Joined: Tue May 25, 2010 9:41 pm

Re: how to add another line to the regressin graph

Postby bit_xiaoxiao » Wed May 26, 2010 8:52 am

Make up a new series

Code: Select all

series yAlternative = 1.5*x+2
and add yAlternative to the graph.
What I don't know is just how to "add yAlternative to the graph".

should I use any command or commands with menus? how can I do it?

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: how to add another line to the regressin graph

Postby startz » Wed May 26, 2010 9:06 am

What command did you use to draw the first graph?

bit_xiaoxiao
Posts: 7
Joined: Tue May 25, 2010 9:41 pm

Re: how to add another line to the regressin graph

Postby bit_xiaoxiao » Wed May 26, 2010 9:18 am

What command did you use to draw the first graph?
ls y x

I want to add the second line into the first plot, not bulid another plot

bit_xiaoxiao
Posts: 7
Joined: Tue May 25, 2010 9:41 pm

Re: how to add another line to the regressin graph

Postby bit_xiaoxiao » Wed May 26, 2010 9:19 am

What command did you use to draw the first graph?
ls y x

I want to add the second line into the first plot, not bulid another plot
I use y and x just for simplifing the problem

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: how to add another line to the regressin graph

Postby startz » Wed May 26, 2010 9:25 am

What command did you use to draw the first graph?
ls y x

I want to add the second line into the first plot, not bulid another plot
I use y and x just for simplifing the problem

Code: Select all

ls y x
doesn't create a graph. What did you do to get the graph after running the regression?

bit_xiaoxiao
Posts: 7
Joined: Tue May 25, 2010 9:41 pm

Re: how to add another line to the regressin graph

Postby bit_xiaoxiao » Wed May 26, 2010 9:29 am

doesn't create a graph. What did you do to get the graph after running the regression?
I use menu to get the scatter plot with regression line. I already have a graph, and I also have the second series, what should I do to add the second line to the graph

startz
Non-normality and collinearity are NOT problems!
Posts: 3797
Joined: Wed Sep 17, 2008 2:25 pm

Re: how to add another line to the regressin graph

Postby startz » Wed May 26, 2010 9:44 am

doesn't create a graph. What did you do to get the graph after running the regression?
I use menu to get the scatter plot with regression line. I already have a graph, and I also have the second series, what should I do to add the second line to the graph
Try something like

Code: Select all

ls y x group g x y yAlternative
then double-click on "g" and choose a scatter diagram with a regression fit line.


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