--- title: root description: OpenBB Terminal Function --- # root Show unit root tests of a column of a dataset ### Usage ```python root -v {} [-r {c,ct,ctt,n}] [-k {c,ct}] ``` --- ## Parameters | Name | Description | Default | Optional | Choices | | ---- | ----------- | ------- | -------- | ------- | | column | The column and name of the database you want test unit root for | None | False | None | | fuller_reg | Type of regression. Can be 'c','ct','ctt','nc'. c - Constant and t - trend order | c | True | c, ct, ctt, n | | kpss_reg | Type of regression. Can be 'c', 'ct'. c - Constant and t - trend order | c | True | c, ct | --- ## Examples ```python 2022 Jun 01, 06:47 (๐Ÿฆ‹) /econometrics/ $ load fair 2022 Jun 01, 06:47 (๐Ÿฆ‹) /econometrics/ $ root fair.yrs_married Unitroot from dataset 'fair of 'yrs_married' โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”“ โ”ƒ โ”ƒ ADF โ”ƒ KPSS โ”ƒ โ”กโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”ฉ โ”‚ Test Statistic โ”‚ -8.08 โ”‚ 7.01 โ”‚ โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค โ”‚ P-Value โ”‚ 0.00 โ”‚ 0.01 โ”‚ โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค โ”‚ NLags โ”‚ 34.00 โ”‚ 26.00 โ”‚ โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค โ”‚ Nobs โ”‚ 6331.00 โ”‚ 0.00 โ”‚ โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค โ”‚ ICBest โ”‚ 42958.72 โ”‚ 0.00 โ”‚ โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜ ``` ---