detrend
平均またはlinear trendをデータから取り除く
from scipy import signal
xdet=signal.detrend(x,axis=0,type='linear') # remove linear trend
xzerom=signal.detrend(x,axis=0,type='constant') # remove mean
Remove mean or linear trend from data
from scipy import signal
xdet=signal.detrend(x,axis=0,type='linear') # remove linear trend
xzerom=signal.detrend(x,axis=0,type='constant') # remove mean