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heteroscedasticity is that the variance is not constant
recently I have read a paper about ppg signal processing,after a bunch of test ,the author say data collected from some unknown brand smart watch filtered ppg signal for different person is too heterogeneity so it is not usable.
do we need this in quality review of raw photoplethysmography (PPG) signals, @fwolling
The text was updated successfully, but these errors were encountered:
heteroscedasticity is that the variance is not constant
recently I have read a paper about ppg signal processing,after a bunch of test ,the author say data collected from some unknown brand smart watch filtered ppg signal for different person is too heterogeneity so it is not usable.
do we need this in quality review of raw photoplethysmography (PPG) signals,
@fwolling
The text was updated successfully, but these errors were encountered: