[R] polynomials transformation

[Abd. Rahman Kassim]

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
>>
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>
> -- 
> Chuck Cleland, Ph.D.
> NDRI, Inc.
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