Learn about goodness-of-fit tests, including the chi-square test, to evaluate how well your sample data matches the expected distribution and to make informed decisions.

Owning our 2012 Tesla Model S sometimes feels like possessing an Apple iPad that just happens to also be an electric car, thanks to fairly frequent software updates. The best part is: We don’t have to ...

A new goodness-of-fit test for time series models is proposed. The test statistic is based on the distance between a kernel estimator of the ratio between the true and the hypothesized spectral ...

Discrete choice models of the probability of default (PD) have several applications in finance. In some applications, such as credit scoring, their value is in ranking applicants or customers by PD.