This module contains some simple methods that are useful when analysing time series data.
is_increasing()
is_regularly_increasing()
sampling_interval()
index()
index_near()
index_on()
index_crossing()
time_crossing()
value_at()
value_near()
value_interpolated()
data_on()
mean_on()
max_on()
min_on()
abs_max_on()
imax_on()
imin_on()
iabs_max_on()
moving_average()
gaussian_smoothing()
window_size()
haar_downsample()
amplitude_spectrum()
power_spectral_density()