How to set target vector (with large data set) for neural network?

How can I classify targets with a large set of data/values (37539840 x 1)? I have tried using the Neural Network but I am unable to set the target class using 1 and 0 given the large data/values.

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Greg Heath
Greg Heath 2014 年 3 月 28 日

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Regardless of data values, use MAPSTD or ZSCORE and training data to normalize inputs.
For c classes, the target matrix should contain columns of the unit matrix eye(c). The relationship between integer class indices 1:c and target vectors are given by functions ind2vec and vec2ind.
You have so much data, you only need a small fraction of it to design a net, or even multiple nets.
Hope this helps.
Thank you for formally accepting my answer
Greg

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2014 年 3 月 26 日

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2014 年 3 月 28 日

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