why change dimension

[IwGrin]

why cahnge (samples, channels, height, width) to (samples, height, width, channels) in cifar-10 and cifar-100? (transpose((0, 2, 3, 1)))
I wonder the last dimension is (samples, channels, height, width) or (samples, height, width, channels) ?

question from a rooooookie

[IwGrin]

to match what