diff --git a/examples/gpce/ml-regress.sql b/examples/gpce/ml-regress.sql deleted file mode 100644 index cda3475b4..000000000 --- a/examples/gpce/ml-regress.sql +++ /dev/null @@ -1,41 +0,0 @@ -\qecho ================================================================= -\qecho === Running: mulit-linear regression ============================ -\qecho ================================================================= -\qecho -\qecho === Refresh table: houses ======================================= - -DROP TABLE houses; -CREATE TABLE houses (id INT, tax INT, bedroom INT, bath FLOAT, price INT, size INT, lot INT) distributed by (ID); - -COPY houses FROM STDIN DELIMITER '|'; - 1 | 590 | 2 | 1 | 50000 | 770 | 22100 - 2 | 1050 | 3 | 2 | 85000 | 1410 | 12000 - 3 | 20 | 3 | 1 | 22500 | 1060 | 3500 - 4 | 870 | 2 | 2 | 90000 | 1300 | 17500 - 5 | 1320 | 3 | 2 | 133000 | 1500 | 30000 - 6 | 1350 | 2 | 1 | 90500 | 820 | 25700 - 7 | 2790 | 3 | 2.5 | 260000 | 2130 | 25000 - 8 | 680 | 2 | 1 | 142500 | 1170 | 22000 - 9 | 1840 | 3 | 2 | 160000 | 1500 | 19000 - 10 | 3680 | 4 | 2 | 240000 | 2790 | 20000 - 11 | 1660 | 3 | 1 | 87000 | 1030 | 17500 - 12 | 1620 | 3 | 2 | 118600 | 1250 | 20000 - 13 | 3100 | 3 | 2 | 140000 | 1760 | 38000 - 14 | 2070 | 2 | 3 | 148000 | 1550 | 14000 - 15 | 650 | 3 | 1.5 | 65000 | 1450 | 12000 -\. - -\qecho === Show data sample: =========================================== -select * from houses limit 5; - -\qecho === Calculate Coefficients ====================================== -select mregr_coef(price, array[1, bedroom, bath, size])::REAL[] from houses; - -\qecho === Calculate R square value ==================================== -select mregr_r2(price, array[1, bedroom, bath, size])::REAL from houses; - -\qecho === Calculate t statistics ====================================== -select mregr_tstats(price, array[1, bedroom, bath, size])::REAL[] from houses; - -\qecho === Calculate p values ========================================== -select mregr_pvalues(price, array[1, bedroom, bath, size])::REAL[] from houses;