OpenBB/website/versioned_docs/version-v3/sdk/reference/econometrics/root.md

title, description

title	description
root	OpenBB SDK Function

import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem';

root

Calculate test statistics for unit roots

Source Code: [link]

openbb.econometrics.root(data: pd.Series, fuller_reg: str = "c", kpss_reg: str = "c")

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Parameters

Name	Type	Description	Default	Optional
data	pd.Series	Series or column of DataFrame of target variable	None	False
fuller_reg	str	Type of regression of ADF test	c	True
kpss_reg	str	Type of regression for KPSS test	c	True

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Returns

Type	Description
pd.DataFrame	Dataframe with results of ADF test and KPSS test

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Determine the normality of a timeseries.

Source Code: [link]

openbb.econometrics.root_chart(data: pd.Series, dataset: str = "", column: str = "", fuller_reg: str = "c", kpss_reg: str = "c", export: str = "")

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Parameters

Name	Type	Description	Default	Optional
data	pd.Series	Series of target variable	None	False
dataset	str	Name of the dataset		True
column	str	Name of the column		True
fuller_reg	str	Type of regression of ADF test. Choose c, ct, ctt, or nc	c	True
kpss_reg	str	Type of regression for KPSS test. Choose c or ct	c	True
export	str	Format to export data.		True

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Returns

This function does not return anything

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