Hi Jean, I did use a formula and a data frame in creating the rpart model, and the variable names are quite simple. And rpart is definitely supported.
Best, Jane On Tue, May 27, 2014 at 5:44 AM, Adams, Jean <[email protected]> wrote: > Jane, > > Page 9 of the reference manual, > http://cran.r-project.org/web/packages/plotmo/plotmo.pdf, discusses this > error. > > 'The work-around is to simplify or standardize the way the model function > is called. Use a formula and a data frame, or at least explicitly name the > variables rather than passing a matrix. Use simple variable names (so x1 > rather than dat$x1, for example).' > > 'If the symptoms persist after changing the way the model is called, and > the model is not one of those listed in âWhich variables are plottedâ, it > is possible that the model class is not supported by plotmo. See âExtending > plotmoâ.' > > Jean > > > On Mon, May 26, 2014 at 7:50 PM, Jane Shevtsov <[email protected]> wrote: > >> I am trying to use the plotmo package to generate a partial dependence >> plot >> for a CART model created with rpart. When running plotmo, I get "Error: >> get.plotmo.y returned the wrong length (got 204938 expected 205000)". The >> rpart predict function does indeed return 204938 results, but plotmo is >> supposed to be able to handle NA's in rpart models. What I might do about >> this? >> >> Thanks, >> Jane >> >> -- >> ------------- >> Jane Shevtsov, Ph.D. >> Mathematical Biology Curriculum Writer, UCLA >> co-founder, www.worldbeyondborders.org >> >> âThose who say it cannot be done should not interfere with those who are >> doing it.â --attributed to Robert Heinlein, George Bernard Shaw and others >> >> [[alternative HTML version deleted]] >> >> >> ______________________________________________ >> [email protected] 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. >> >> > -- ------------- Jane Shevtsov, Ph.D. Mathematical Biology Curriculum Writer, UCLA co-founder, www.worldbeyondborders.org âThose who say it cannot be done should not interfere with those who are doing it.â --attributed to Robert Heinlein, George Bernard Shaw and others [[alternative HTML version deleted]]
______________________________________________ [email protected] 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.
