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Topic: extract the rows except the specific index
Replies: 3   Last Post: Dec 28, 2012 4:19 PM

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dpb

Posts: 8,111
Registered: 6/7/07
Re: extract the rows except the specific index
Posted: Dec 28, 2012 4:06 PM
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On 12/28/2012 12:47 PM, dpb wrote:
...

> b=1; t=6; n=3;
> idx=randperm(t,n); % doc randperm
> train = A(idx,:);
> test=A(setdiff([t:b],idx),:); % doc setdiff and friends...


typo...

test=A(setdiff([1:t],idx),:); % doc setdiff and friends...

Can't really generalize randperm just by t:b; it only takes the one
argument so if that's needed (didn't look like would be from original
post but just for the record) it'll need handling somewhat differently.

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