StationarityTest

class hana_ai.tools.hana_ml_tools.ts_check_tools.StationarityTest(connection_context: ConnectionContext, return_direct: bool = False)

This tool calls stationarity test for the given time series data.

Parameters:

connection_contextConnectionContext

Connection context to the HANA database.

Returns:

str

The stationarity statistics of the time series data.

Note

args_schema is used to define the schema of the inputs as follows:

Field	Description
table_name	the name of the table. If not provided, ask the user. Do not guess.
key	the key of the dataset. If not provided, ask the user. Do not guess.
endog	the endog of the dataset. If not provided, ask the user. Do not guess
schema_name	the schema_name of the table, it is optional
method	the method of the stationarity test chosen from {'kpss', 'adf'}, it is optional
mode	the mode of the stationarity test chosen from {'level', 'trend', 'no'}, it is optional
lag	the lag of the stationarity test, it is optional
probability	the confidence level for confirming stationarity, it is optional

name: str

Name of the tool.

description: str

Description of the tool.

connection_context: ConnectionContext

Connection context to the HANA database.