  
Hi, list i was trying to do( Projection pursuit regression ) ppr function in Mass library .  It is running very good ,no problem ,but when i refered the references Friedman et al 1981 ,,and SMART guide,, i was not able to find how parametes they r geeting using least square method , if any body know how in PPR method we are finding model parameters using least square method ,becoz it seems to a continous function ..........................

thanks in advance
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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