Liaw, Andy
2006-Jun-19 16:33 UTC
[R] Problem in Projection pursuit regression . [Broadcast]
ppr() estimates the ridge functions by either the Friedman super smoother or smoothing splines. (See ?supsmu and ?smooth.spline.spline.) Andy From: anil kumar rohilla> > Hi list, > Is any body has implemented the projection pursuit > regression (ppr) method in MASS library.Running the ppr > method is not a problem , But problem is how we are getting > the model parameters using least square method ,becoz the > function is looking like a continous function and how a > continous function can be found out by least square > method....THat function name is ridge function (activation > function ) If any body is having idia please ,reply its very > urgent,,,,,,,,becoz of this problem i am not able to proceed > for my paper ,. > ANy help is much appriciated > > anil > > > ANIL KUMAR( METEOROLOGIST) > LRF SECTION > NATIONAL CLIMATE CENTER > ADGM(RESEARCH) > INDIA METEOROLOGICAL DEPARTMENT > SHIVIJI NAGAR > PUNE-411005 INDIA > MOBILE +919422023277 > anilkumar at imdpune.gov.in > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > >