Metrics¶

Error ¶

`mean_squared`(array)	Returns the mean squared value of an array
`mean_squared_error`(array1, array2)	Returns the mean square error between two arrays
`root_mean_squared`(array)	Returns the root mean squared value of an array
`root_mse`(array1, array2)	Returns the root mean square error between two arrays
`normalized_root_mse`(reference_arr, test_arr)	Returns the normalized root mean square error between two arrays
`normalized_mse`(reference_arr, test_arr)	Returns the normalized mean square error between two arrays
`percent_rms_diff`(reference_arr, test_arr)	Returns the percentage root mean square difference
`percent_space_saving`(original_bits, …)	Returns the space saving ratio as percentage
`compression_ratio`(original_bits, compressed_bits)	Returns the compression ratio as n x factor
`prd_to_snr`(prd)	Converts the PRD value to SNR value

`peak_signal_noise_ratio`(reference_arr, test_arr)	Returns the Peak Signal to Noise Ratio between two arrays
`signal_noise_ratio`(reference_arr, test_arr)	Returns the signal to noise ratio between a reference array and a test array