  
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@imdpune.gov.in

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