Re: [R] Plot regression results with various predictors.

[phil]

Thanks a lot for your input.



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Re: [R] Plot regression results with various predictors.

[PIKAL Petr]

Hi


> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of phil
> Sent: Wednesday, May 28, 2014 10:41 AM
> To: r-help@r-project.org
> Subject: Re: [R] Plot regression results with various predictors.
>
> Sorry for not explaining it further. plm() is the regression command
> for panel data, i.e., similar to lm() for simple linear regressions. I
> run the
> plm() and get an output which I call here POLS. Next I simply use
> plot(POLS) which looks like
> <http://r.789695.n4.nabble.com/file/n4691355/plot_of_results_-
> _forum.jpg>
>
> I am not totally unhappy about this plot. But my main problem is what
> is the indication of the axis. About the y-axis I know that it is my
> response variable. But what is plotted on the x-axis?

I am not familiar with plm function, in documentation there is no plot method 
indicated but it definitely has plot method.

See
methods(plot)

Because plot.plm is nonvisible you cannot see the code just by plot.plm but you 
can see the code of plotting function by

plm:::plot.plm

To see what the function is really plotting you can go through source code 
and/or debug and inspect each object produced by the function
debug(plm:::plot.plm)
plot(POLS)

I get also this error which means that the plot.plm function is not working 
properly even with toy data from package (Produc)
Error in xy.coords(x, y) : 'x' and 'y' lengths differ

It ends on this line after plotting points and axes.
debug: lines(c(xmin, xmax), c(ymin, ymax), col = cols[i])

So try to address directly the maintainer.

Regards
Petr


>
> Further, how can I implement the regression line? And obviously, what
> about adding a legend for the points since each color represents a
> different country in my case.
>
> I hope I could clarify my problem a little bit. Do you have any
> suggestions?
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Plot-
> regression-results-with-various-predictors-tp4691307p4691355.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> and provide commented, minimal, self-contained, reproducible code.


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Re: [R] Plot regression results with various predictors.

[phil]

Sorry for not explaining it further. plm() is the regression command for
panel data, i.e., similar to lm() for simple linear regressions. I run the
plm() and get an output which I call here POLS. Next I simply use plot(POLS)
which looks like 
  

I am not totally unhappy about this plot. But my main problem is what is the
indication of the axis. About the y-axis I know that it is my response
variable. But what is plotted on the x-axis?

Further, how can I implement the regression line? And obviously, what about
adding a legend for the points since each color represents a different
country in my case.

I hope I could clarify my problem a little bit. Do you have any suggestions?



--
View this message in context: 
http://r.789695.n4.nabble.com/Plot-regression-results-with-various-predictors-tp4691307p4691355.html
Sent from the R help mailing list archive at Nabble.com.

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and provide commented, minimal, self-contained, reproducible code.

Re: [R] Plot regression results with various predictors.

[PIKAL Petr]

Hi

What is plm?

What is plot=(POLS), how do you expect this to be working?

Many modelling methods have some kind of plotting functions. Does plm, 
regardless what it is, have some?

Regards
Petr

> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of phil
> Sent: Tuesday, May 27, 2014 6:44 PM
> To: r-help@r-project.org
> Subject: [R] Plot regression results with various predictors.
>
> Dear all,
>
> I would like to know how to plot the results of a regression where
> various predictors resulted significant. Further, I would like how to
> add the regression line. Is that possible?
>
> For instance, I have run POLS=plm() where 6 coefficients resulted
> significant; then I would like to use plot=(POLS) adding further the
> regression line to illustrate the results graphically.
>
>
> Any help is highly appreciated. Thanks in advance.
>
>
> Phil
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Plot-
> regression-results-with-various-predictors-tp4691307.html
> Sent from the R help mailing list archive at Nabble.com.
>
> __
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-
> guide.html
> and provide commented, minimal, self-contained, reproducible code.


Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a jsou určeny 
pouze jeho adresátům.
Jestliže jste obdržel(a) tento e-mail omylem, informujte laskavě neprodleně 
jeho odesílatele. Obsah tohoto emailu i s přílohami a jeho kopie vymažte ze 
svého systému.
Nejste-li zamýšleným adresátem tohoto emailu, nejste oprávněni tento email 
jakkoliv užívat, rozšiřovat, kopírovat či zveřejňovat.
Odesílatel e-mailu neodpovídá za eventuální škodu způsobenou modifikacemi či 
zpožděním přenosu e-mailu.

V případě, že je tento e-mail součástí obchodního jednání:
- vyhrazuje si odesílatel právo ukončit kdykoliv jednání o uzavření smlouvy, a 
to z jakéhokoliv důvodu i bez uvedení důvodu.
- a obsahuje-li nabídku, je adresát oprávněn nabídku bezodkladně přijmout; 
Odesílatel tohoto e-mailu (nabídky) vylučuje přijetí nabídky ze strany příjemce 
s dodatkem či odchylkou.
- trvá odesílatel na tom, že příslušná smlouva je uzavřena teprve výslovným 
dosažením shody na všech jejích náležitostech.
- odesílatel tohoto emailu informuje, že není oprávněn uzavírat za společnost 
žádné smlouvy s výjimkou případů, kdy k tomu byl písemně zmocněn nebo písemně 
pověřen a takové pověření nebo plná moc byly adresátovi tohoto emailu případně 
osobě, kterou adresát zastupuje, předloženy nebo jejich existence je adresátovi 
či osobě jím zastoupené známá.

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[R] Plot regression results with various predictors.

[phil]

Dear all,

I would like to know how to plot the results of a regression where various
predictors resulted significant. Further, I would like how to add the
regression line. Is that possible?

For instance, I have run POLS=plm() where 6 coefficients resulted
significant; then I would like to use plot=(POLS) adding further the
regression line to illustrate the results graphically.


Any help is highly appreciated. Thanks in advance.


Phil



--
View this message in context: 
http://r.789695.n4.nabble.com/Plot-regression-results-with-various-predictors-tp4691307.html
Sent from the R help mailing list archive at Nabble.com.

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and provide commented, minimal, self-contained, reproducible code.