Statistical testing in Python offers a way to make sure your data is meaningful. It only takes a second to validate your data ...

In this paper, we propose a simple nonparametric test for testing the null hypothesis of constant coefficients against nonparametric smooth coefficients in a semiparametric varying coefficient model ...

This is a preview. Log in through your library . Abstract There is frequently interest in testing that a scalar or vector time series is I(0), possibly after first-differencing or other detrending, ...