Undefined function or variable 'cvpartition'.

Hi,

for the follwoing code:

P = cvpartition(Y,'Holdout',0.20);

Am facing "Undefined function or variable 'cvpartition' " error, while I have already installed "Statistics and Machine Learning Toolbox".

Any advice please, how can I fix this issue.

Thank you

[dpb]

What do

which -all cvpartition

and

ver

return (for latter, can elide your license number...)

[Noufal]

Thank you so much