unitroot_kpss.Rd
unitroot_kpss
computes the statistic for the Kwiatkowski et al. unit root test with linear trend and lag 1.
unitroot_pp
computes the statistic for the `'Z-alpha'' version of Phillips & Perron unit root test with constant trend and lag 1.
unitroot_kpss(x) unitroot_pp(x)
x | a univariate time series. |
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A numeric value