Definiation of Compression Ratio

[I-Good-Vegetable]

Hi,

I'm wondering how the Compression Ratio is defined? Many thanks indeed!
Currently I'm assuming CR = size of original data file (.npz) / size of compressed file (.npz)
Is it correct?

[shubhamchandak94]

Yes, that's almost right. In the paper, I think I used 4*length of series (bytes) as the numerator which should be size of original data file (.npz) for 32 bit float (except for numpy headers). The denominator will have lfzip format, not npz.

[I-Good-Vegetable]

Got it! Much appreciated!