adev

typhon.math.stats.adev(x, dim=-1)

Calculate Allan deviation in its simplest form

Parameters:

• x (ndarray or xarray DataArray) – n-dim array for Allan calculation

• dim (int or str) – optional, axis to operate along, defaults to last. If you pass a str, x must be a xarray.DataArray and the dimension will be a name.

$$\sigma =\sqrt{\frac{1}{2(N-1)}\sum _{i=1}^{N-1}(y_{i+1}-y_i{)}^2}$$

Equation source: Jon Mittaz, personal communication, April 2016