<p>Your suggestions are good, about</p>

<blockquote>
<p>Storing inputSize and numClasses is, I think, redundant<br>
Some(or many) classes of mlpack always ask for the inputSize(feature size) from the users, I think they could be removed too, because many algorithms should be able to find out the inputSize from the training data</p>

<p>Thanks for your contribution! :)<br>
You are welcome:), thanks for the helps from community too</p>
</blockquote>

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