The "canonical" link specifies the default family link, which is "identity" for the Gaussian distribution.
DROP TABLE IF EXISTS glmpredict_housing; CREATE TABLE glmpredict_housing DISTRIBUTE BY hash(sn) AS SELECT * FROM GLMPredict ( ON housing_test ModelTable ('glm_housing_model ') Accumulate ('sn', 'price') Family ('GAUSSIAN') Link ('CANONICAL') ) ORDER BY 1;