On Mon, 28 Jan 2002, F. Tusell wrote:> I would like to know if someone has done work on trees with > multivariate response. I need something like rpart but for vector > responses. If someone has code that he/she is willing to share, I > would be grateful. If not, even guidelines for writing my own starting > from rpart would be welcomed.You will need to define spliting and pruning criteria. Once you have, rpart is extensible, and there are examples of doing so in the test suite. -- Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
I would like to know if someone has done work on trees with multivariate response. I need something like rpart but for vector responses. If someone has code that he/she is willing to share, I would be grateful. If not, even guidelines for writing my own starting from rpart would be welcomed. ft. -- Fernando TUSELL e-mail: Departamento de Econometria y Estadistica etptupaf at bs.ehu.es Facultad de CC.EE. y Empresariales Tel: (+34)94.601.3733 Avenida Lendakari Aguirre, 83 Fax: (+34)94.601.3754 E-48015 BILBAO (Spain) Secr: (+34)94.601.3740 PGP: finger etptupaf at bsdx01.bs.ehu.es http://etdx01.bs.ehu.es ---------------------------------------------------------------------- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
Fernando,
I'm not sure (and may in fact be wrong) but I think what your looking for
is something like PolyMARS ( Kooperburg, Bose &Stone, JASA 1997). There is
as far as I'm aware a suite of programs in C with S calling routines
available from www.stat.washington.edu - mabye the package is directly
available in S but I don't know this.
Anyway, hope this helps.
Gerard
"F. Tusell"
<etptupaf at bs.ehu.es> To: r-help at
stat.math.ethz.ch
Sent by: cc:
owner-r-help at stat.ma Subject: [R] Multivariate
response trees
th.ethz.ch
28/01/02 10:11
I would like to know if someone has done work on trees with
multivariate response. I need something like rpart but for vector
responses. If someone has code that he/she is willing to share, I
would be grateful. If not, even guidelines for writing my own starting
from rpart would be welcomed.
ft.
--
Fernando TUSELL e-mail:
Departamento de Econometria y Estadistica etptupaf at bs.ehu.es
Facultad de CC.EE. y Empresariales Tel: (+34)94.601.3733
Avenida Lendakari Aguirre, 83 Fax: (+34)94.601.3754
E-48015 BILBAO (Spain) Secr: (+34)94.601.3740
PGP: finger etptupaf at bsdx01.bs.ehu.es http://etdx01.bs.ehu.es
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Gerard, Thank you very much for pointing this out. Yes, PolyMARS is close to what I need, and is available in R as Prof. Ripley points out. So is mars, in package mda, which I have also looked at. It seems to me that both allow multivariate responses, but do not take into account their correlation structure. Perhaps someone can correct me on this. ft. -- Fernando TUSELL e-mail: Departamento de Econometr?a y Estad?stica etptupaf at bs.ehu.es Facultad de CC.EE. y Empresariales Tel: (+34)94.601.3733 Avenida Lendakari Aguirre, 83 Fax: (+34)94.601.3754 E-48015 BILBAO (Spain) Secr: (+34)94.601.3740 PGP: finger etptupaf at bsdx01.bs.ehu.es http://etdx01.bs.ehu.es ---------------------------------------------------------------------- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
Regresion and/or classification trees, perhaps? Agus Dr. Agustin Lobo Instituto de Ciencias de la Tierra (CSIC) Lluis Sole Sabaris s/n 08028 Barcelona SPAIN tel 34 93409 5410 fax 34 93411 0012 alobo at ija.csic.es On Mon, 28 Jan 2002, F. Tusell wrote:> I would like to know if someone has done work on trees with > multivariate response. I need something like rpart but for vector > responses. If someone has code that he/she is willing to share, I > would be grateful. If not, even guidelines for writing my own starting > from rpart would be welcomed. > > > ft. > -- > Fernando TUSELL e-mail: > Departamento de Econometria y Estadistica etptupaf at bs.ehu.es > Facultad de CC.EE. y Empresariales Tel: (+34)94.601.3733 > Avenida Lendakari Aguirre, 83 Fax: (+34)94.601.3754 > E-48015 BILBAO (Spain) Secr: (+34)94.601.3740 > PGP: finger etptupaf at bsdx01.bs.ehu.es http://etdx01.bs.ehu.es > ---------------------------------------------------------------------- > > > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- > r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html > Send "info", "help", or "[un]subscribe" > (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._ >-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._