Hello,
First, no need to scream.
Second, David Winsemius already responded to you, last Dec.,9 (topic was
"[R] Mean-Centering Question"). Here is a hint:
https://stat.ethz.ch/mailman/listinfo/r-help (bottom of the page)
Pascal
Le 13/12/2012 13:01, Elizabeth Fuller Bettini a ?crit :> PLEASE REMOVE ME FROM THIS LIST SERVE IMMEDIATELY!!!!!!
>
> On Wed, Dec 12, 2012 at 6:41 PM, dada <paxkn at nottingham.ac.uk>
wrote:
>
>> Hi
>> I would like to do neural netowrk analysis on my data. It look like
this:
>>
>> drug param1 param2 param3 param4 param5 class
>> A 111 15 125 40 0.5 1
>> B 347 13 280 55 3 2
>> C 335 9 119 89 -40 1
>> D 477 37 75 2 0 1
>> E 863 24 180 10 5 2
>> F 737 28 150 15 6 2
>> G 390 63 167 12 0 3
>> H 209 93 200 48 45 3
>> I 376 72 201 45 -60 3
>> J 262 16 205 49 25 3
>> K 273 39 267 53 11 1
>> L 192 33 164 19 15 2
>> M 282 2 213 86 30 1
>> N 111 11 198 68 -21 1
>> O 387 20 143 12 16 2
>> P 674 15 78 -20 -17 2
>> R 734 54 140 24 7 2
>> S 272 46 159 57 28 2
>> T 245 37 90 6 31 2
>>
>> I have entered the code below:
>>> nn <- neuralnet(
>> + class~param1+param2+param3+param4+param5+param5,
>> + data=mydata, hidden=2, err.fct="ce",
>> + linear.output=FALSE)
>>
>> However the error appeared:
>> Error in model.frame.default(formula.reverse, data) :
>> object is not a matrix
>>
>> I changed the data frame to matrix:
>> mydata.mat=as.matrix(mydata)
>>
>> but still the same error appears...
>>
>> How can I fix this ? I would be very grateful for your help !
>>
>>
>>
>> --
>> View this message in context:
>> http://r.789695.n4.nabble.com/neural-net-tp4652927.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>> PLEASE do read the posting guide
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>
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>
> ______________________________________________
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> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>