Error using newrb and newgrnn

I have a code for svm for classifying 

load fisheriris
xdata = meas(51:end,3:4);
group = species(51:end);
svmStruct = svmtrain(xdata,group,'showplot',true);

same way i tried using newrb and newgrnn

net = newgrnn(xdata,group)

??? Error using ==> cat
CAT arguments dimensions are not consistent.

Error in ==> cell2mat at 89
            m{n} = cat(1,c{:,n});

Error in ==> newgrnn at 70
if isa(t,'cell'), t = cell2mat(t); end

please tell how to fix it

syntax for those says, data and target class,but why i get error

Answer 1

[Greg Heath]

help grnn

doc grnn

explain the required type and orientation of the input and target data

whos

shows both the type and orientation of your data

xdata

group

without the semicolons allows you to "see" the data.

With the above info you should be able to readily debug your code.

Hope this helps.

Thank you for formally accepting my answer.

Greg

[FIR]

I tried with this small code ,

P=magic(5);
T=[0 0  1  1 1];
net = newgrnn(P,T)
K=P(:,4);
y = sim(net,K);

y gives 1 as output,plz tell what it indicates

[Greg Heath]

You created the net to output 0 when either of the first two P columns are used as input and to output 1 when one of the last three columns of P are used as input.

Have you folloed up on my previous advice?

If so are there anymore questions?

G

[FIR]

final question how to find the accuracy