kpssstat-class: "kpssstat" Class
Description
This class contains information from the Kwiatkowski-Phillips-Schmidt-Shin test.References
D. Kwiatkowski, P.C.B. Phillips, P. Schmidt and Y. Shin (1992), Testing the null hypothesis of
stationarity against the alternative of a unit root: How sure are we that economic time series have a
unit root? Journal of Econometrics, 54, 159-178.