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I have the following Teradata code that successfully performs a Z test on data in the z_base table

SELECT * FROM TD_ZTest (
  ON z_base AS InputTable
  USING
  FirstSampleColumn ('FALLOW_RR')
  SecondSampleColumn ('NONFALLOW_RR')
  AlternativeHypothesis ('two-tailed')
) AS dt;

The output is shown in the attached image.

I need help with the following:

How can I attach the output to the z_base table? How can I group the data by a specific column and perform the Z test on each group individually? Thanks!

SELECT * FROM TD_ZTest ( ON z_base AS InputTable USING FirstSampleColumn ('FALLOW_RR') SecondSampleColumn ('NONFALLOW_RR') AlternativeHypothesis ('two-tailed') ) AS dt;

I want z_base attached to output and an output line for each group.

本文标签： teradatasqlGrouping the analytical functions in TeradataStack Overflow

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