Split Input into Training and Testing Data Sets - Aster Analytics

This code divides the 150 data rows into a training data set (80%) and a testing data set (20%):

DROP TABLE IF EXISTS gmm_iris_train;
DROP TABLE IF EXISTS gmm_iris_test;

CREATE TABLE gmm_iris_train AS
  SELECT * FROM gmm_iris_input WHERE id%5!=0;

CREATE TABLE gmm_iris_test AS
  SELECT * FROM gmm_iris_input WHERE id%5=0;