The coefficients are in the attribute list: > x <- rnorm(100) > attributes(poly(x, 2))$coefs $alpha [1] -0.1585783 -0.1193990 $norm2 [1] 1.0000 100.0000 110.3589 254.5965 ?attributes Abd. Rahman Kassim wrote:> Dear All, > > Need some help in polynomials transformation to get the coefficients. I have tried "poly.transform" as applied in S-plus but it does not work. > > Thanks in advanced for any helps. > > Regards. > > > Abd. Rahman Kassim (PhD) > Head Forest Ecology Branch > Forest Management & Ecology Program > Forestry and Conservation Division > Forest Research Institute Malaysia > Kepong 52109 > Selangor, Malaysia > > ***************************************** > > Checked by TrendMicro Interscan Messaging Security. > For any enquiries, please contact FRIM IT Department. > ***************************************** > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html >-- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 452-1424 (M, W, F) fax: (917) 438-0894
Dear Chuck, Thanks for your prompt reply. Abd. Rahman ----- Original Message ----- From: "Chuck Cleland" <ccleland at optonline.net> To: "Abd. Rahman Kassim" <rahmank at frim.gov.my> Cc: "R-Help Discussion" <r-help at stat.math.ethz.ch> Sent: Wednesday, November 09, 2005 6:04 PM Subject: Re: [R] polynomials transformation> The coefficients are in the attribute list: > > > x <- rnorm(100) > > attributes(poly(x, 2))$coefs > $alpha > [1] -0.1585783 -0.1193990 > > $norm2 > [1] 1.0000 100.0000 110.3589 254.5965 > > ?attributes > > Abd. Rahman Kassim wrote: >> Dear All, >> >> Need some help in polynomials transformation to get the coefficients. I >> have tried "poly.transform" as applied in S-plus but it does not work. >> >> Thanks in advanced for any helps. >> >> Regards. >> >> >> Abd. Rahman Kassim (PhD) >> Head Forest Ecology Branch >> Forest Management & Ecology Program >> Forestry and Conservation Division >> Forest Research Institute Malaysia >> Kepong 52109 >> Selangor, Malaysia >> >> ***************************************** >> >> Checked by TrendMicro Interscan Messaging Security. >> For any enquiries, please contact FRIM IT Department. >> ***************************************** >> [[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 >> > > -- > Chuck Cleland, Ph.D. > NDRI, Inc. > 71 West 23rd Street, 8th floor > New York, NY 10010 > tel: (212) 845-4495 (Tu, Th) > tel: (732) 452-1424 (M, W, F) > fax: (917) 438-0894***************************************** Checked by TrendMicro Interscan Messaging Security. For any enquiries, please contact FRIM IT Department.
Dear All, Need some help in polynomials transformation to get the coefficients. I have tried "poly.transform" as applied in S-plus but it does not work. Thanks in advanced for any helps. Regards. Abd. Rahman Kassim (PhD) Head Forest Ecology Branch Forest Management & Ecology Program Forestry and Conservation Division Forest Research Institute Malaysia Kepong 52109 Selangor, Malaysia ***************************************** Checked by TrendMicro Interscan Messaging Security. For any enquiries, please contact FRIM IT Department. ***************************************** [[alternative HTML version deleted]]