PLEASE REMOVE ME FROM THIS LIST SERVE IMMEDIATELY!!!!!!

On Wed, Dec 12, 2012 at 6:41 PM, dada <paxkn@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  !
>
>
>
> --
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>
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>

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