====ai_conv()====

This is a function of the [[class_sample|sample]] class.

===Parameters===

//None//

===Description===

Returns the content of the data-frame as a multi-dimensional array.

===Returns===

When working with single-channel data, the array returned by [[ai_array|ai_array]] doesn't have the right structure to be used in convolutional or RNN networks.

Calling this function will adjust the ordering of the array to make it suitable for these multi-dimensional networks.