[R] problem using R

Richard Rowe richard.rowe at jcu.edu.au
Thu Oct 16 01:00:26 CEST 2008


Dennis Lee Bieber wrote:
> On Tue, 14 Oct 2008 09:10:14 -0400, "Daniel Malter" <daniel at umd.edu>
> declaimed the following in gmane.comp.lang.r.general:
>
>
>   
>> Other than that I agree with Duncan, your teacher is being paid for helping
>> you with these very basic problems.
>>     
>
> 	"Me three"... Though I would like to point out that the attached
> data file does NOT seem to even have an "area" -- It looks to be a
> collection of mix formulations for grades of glass... So even if one
> were to attempt solve your homework, you failed to supply anything
> usable.
>
>   
>>  wdata <- read.table("e:\\userdata\\dennis lee bieber\\my documents\\my downloads\\glassclir5310.txt")
>> wdata
>>     
>      V1       V2    V3   V4   V5    V6   V7    V8   V9  V10   V11
> 1    ID refindex    Na   Mg   Al    Si    K    Ca   Ba   Fe Class
> 2     1  1.52101 13.64 4.49  1.1 71.78 0.06  8.75    0    0     1
> 3     2  1.51761 13.89  3.6 1.36 72.73 0.48  7.83    0    0     1
> 4     3  1.51618 13.53 3.55 1.54 72.99 0.39  7.78    0    0     1
>   
This looks like the rgl dataset from MASS with a few modifications ... 
(coding of RI, coding of Class). This dataset is of course _very well_ 
analysed in Venables & Ripley 2002. Modern Applied Statistics with S 
(Springer)

I think too many people are looking for an easy ride here,

Richard

-- 
Dr Richard Rowe
Zoology & Tropical Ecology
School of Marine & Tropical Biology
James Cook University
Townsville 4811
AUSTRALIA

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