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Topic: how to split a matrix
Replies: 2   Last Post: Mar 16, 2013 9:34 AM

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Greg Heath

Posts: 5,923
Registered: 12/7/04
Re: how to split a matrix
Posted: Mar 16, 2013 9:34 AM
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"Steven_Lord" <slord@mathworks.com> wrote in message <khabm4$a3q$1@newscl01ah.mathworks.com>...
-------SNIP
> Segments 1 through 19 each contain 1% of the data set chosen (without
> replacement) at random, segment 20 contains the rest? [A division like this
> might be useful in training/validation set division for neural network
> training.]


Data divisions in the NNTBX can be implemented with functions

dividetrain, dividerand, divideind, divideint and/or divideblock

Hope this helps.

Greg



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