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GoogleCloudPlatform / bigquery-utils

Useful scripts, udfs, views, and other utilities for migration and data warehouse operations in BigQuery.
https://cloud.google.com/bigquery/
Apache License 2.0
1.07k stars 269 forks source link

Adding studentt_cdf UDF #421

Closed dqmis closed 4 weeks ago

dqmis commented 4 weeks ago

Adding studentt_cdf UDF. The UDF uses jStat.studentt.cdf function.

studentt_cdf(x FLOAT64, dof FLOAT64)

Returns the value of x in the cdf of the Student's T distribution with dof degrees of freedom.

Sample Query:

SELECT `bqutils.fn.studentt_cdf`(1.0, 2.0) as studentt_cdf;

Results:

Row studentt_cdf
1 0.788675134594813
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afleisc commented 4 weeks ago

/gcbrun