Ratio

Correlation to potentiometer results

βaccelgyro

Xcorr

Spearman’s

Pearson’s

Kendall’s

a

100:0

0.91

0.88

0.89

0.70

b

100:0 (5Hz low-pass)

0.96

0.95

0.96

0.80

c & d

0:100 (high gyro drift)

0.63

0.85

0.85

0.69

e

50:50

0.93

0.90

0.91

0.73