TD_FITMETRICS Output - Teradata Vantage

Database Unbounded Array Framework Time Series Functions

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2023-12-08
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The TD_FITMETRICS function returns a primary result set consisting of one row per series instance acted on by the function. There are no additional auxiliary layers returned by this function.

RETURNS TABLE Schema

Name Data Type Description
derived-series-identifier Varies The resultant series identifier inherited from the SERIES_ID.
ROW_I BIGINT Index for returned result series.
NUM_SAMPLES INTEGER Total number of sample points in the residual series.
VAR_COUNT INTEGER The number of explanatory variables, including the constant, in the original regression.
R_SQUARE FLOAT The calculated R-squared value from the original and calculated values.
R_ADJ_SQUARE FLOAT The calculated adjusted R-squared value from the original and calculated values.
STD_ERROR FLOAT The standard error/deviation associated with the model.
STD_ERROR_DF FLOAT The degrees of freedom associated with the standard error calculation.
ME FLOAT The Mean Error.
MAE FLOAT The Mean Absolute Error.
MSE FLOAT The Mean Squared Error.
MPE FLOAT The Mean Percent Error.
MAPE FLOAT The Mean Absolute Percent Error.
FSTAT_CALC FLOAT The calculated FSTAT value for the ordinary least squares (OLS) regression.
P_VALUE FLOAT The p-value corresponding to the calculated test statistic.
NUM_DF FLOAT The degrees of freedom in the numerator associated with the unexplained portion of the F-statistic (FSTAT) in the numerator.
DENOM_DF FLOAT The degrees of freedom in the numerator associated with the explained portion of the FSTAT in the denominator.
SIGNIFICANCE_LEVEL FLOAT The level of significance for the test.
F_CRITICAL FLOAT The chi-squared critical value extracted from the chi-squared statistic tables.
F_CRITICAL_P FLOAT The p-value corresponding to the calculated critical value.
NULL_HYPOTH VARCHAR(25) The result of the F-test.
  • ACCEPT means the null hypothesis is accepted, and all slope coefficients are zero.
  • REJECT means the null hypothesis is rejected, and there are non-zero slope coefficients.