CG Pettersson
2016-Nov-24 16:34 UTC
[R] Datapoint tracking in scatterplot from plot() used on plsr() objects
Dear all, I am working with PLS-regression using plsr() from the pls package. I have a medium sized dataset with 223 rows, ten reference columns and 192 columns with measurement data from an "electronic nose". There is a convenient way of inspecting what you have done in the calls to plsr() by typing plot(object) which results in a scatterplot predicted/measured. How do I track what row in the dataset is what point in the scatterplot? I have tried to read the documentation for plot() but don?t find the solution, probably because I don?t understand it :(. I am quite sure it is possible as I have seen something like that in other uses of plot() but I can?t find where. Med v?nlig h?lsning/Best regards CG Pettersson Senior Scientific Advisor, PhD ______________________ Lantm?nnen Corporate R&D Phone: +46 10 556 19 85 Mobile: + 46 70 330 66 85 Email: cg.pettersson at lantmannen.com<mailto:cg.pettersson at lantmannen.com> Visiting Address: S:t G?ransgatan 160 A Address: Box 30192, SE-104 25 Stockholm Webb: http://www.lantmannen.com<http://www.lantmannen.com/> Registered Office: Stockholm Before printing, think about the environment [[alternative HTML version deleted]]
David Winsemius
2016-Nov-24 21:22 UTC
[R] Datapoint tracking in scatterplot from plot() used on plsr() objects
> On Nov 24, 2016, at 8:34 AM, CG Pettersson <cg.pettersson at lantmannen.com> wrote: > > Dear all, > I am working with PLS-regression using plsr() from the pls package. I have a medium sized dataset with 223 rows, ten reference columns and 192 columns with measurement data from an "electronic nose". > > There is a convenient way of inspecting what you have done in the calls to plsr() by typing plot(object) which results in a scatterplot predicted/measured. How do I track what row in the dataset is what point in the scatterplot? I have tried to read the documentation for plot() but don?t find the solution, probably because I don?t understand it :(. I am quite sure it is possible as I have seen something like that in other uses of plot() but I can?t find where.Have you looked at matplot? Generally connects along columns. Might need to be: matplot( t(object). type="b")> > Med v?nlig h?lsning/Best regards > CG Pettersson > Senior Scientific Advisor, PhD > ______________________ > Lantm?nnen Corporate R&D > Phone: +46 10 556 19 85 > Mobile: + 46 70 330 66 85 > Email: cg.pettersson at lantmannen.com<mailto:cg.pettersson at lantmannen.com> > Visiting Address: S:t G?ransgatan 160 A > Address: Box 30192, SE-104 25 Stockholm > Webb: http://www.lantmannen.com<http://www.lantmannen.com/> > Registered Office: Stockholm > Before printing, think about the environment > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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.David Winsemius Alameda, CA, USA