For two-tailed significance level: STATS_WSR_TEST(expr1, expr2, 'TWO_SIDED_SIG') : STATS_WSR_TEST « Linear Regression Functions « Oracle PL/SQL Tutorial






SQL>
SQL>
SQL> -- create demo table
SQL> create table myTable(
  2    id           NUMBER(2),
  3    value        NUMBER(6,2)
  4  )
  5  /

Table created.

SQL>
SQL> -- prepare data
SQL> insert into myTable(ID,  value)values (1,9);

1 row created.

SQL> insert into myTable(ID,  value)values (2,2.11);

1 row created.

SQL> insert into myTable(ID,  value)values (3,3.44);

1 row created.

SQL> insert into myTable(ID,  value)values (4,-4.21);

1 row created.

SQL> insert into myTable(ID,  value)values (5,10);

1 row created.

SQL> insert into myTable(ID,  value)values (6,3);

1 row created.

SQL> insert into myTable(ID,  value)values (7,-5.88);

1 row created.

SQL> insert into myTable(ID,  value)values (8,123.45);

1 row created.

SQL> insert into myTable(ID,  value)values (9,98.23);

1 row created.

SQL> insert into myTable(ID,  value)values (10,938.23);

1 row created.

SQL> insert into myTable(ID,  value)values (11,984.23);

1 row created.

SQL> insert into myTable(ID,  value)values (12,198.23);

1 row created.

SQL> insert into myTable(ID,  value)values (13,928.87);

1 row created.

SQL> insert into myTable(ID,  value)values (14,25.37);

1 row created.

SQL> insert into myTable(ID,  value)values (15,918.3);

1 row created.

SQL> insert into myTable(ID,  value)values (16,9.23);

1 row created.

SQL> insert into myTable(ID,  value)values (17,8.23);

1 row created.

SQL>
SQL> select * from myTable
  2  /

        ID      VALUE
---------- ----------
         1          9
         2       2.11
         3       3.44
         4      -4.21
         5         10
         6          3
         7      -5.88
         8     123.45
         9      98.23
        10     938.23
        11     984.23

        ID      VALUE
---------- ----------
        12     198.23
        13     928.87
        14      25.37
        15      918.3
        16       9.23
        17       8.23

17 rows selected.

SQL>
SQL>
SQL> SELECT STATS_WSR_TEST(value, id, 'TWO_SIDED_SIG') FROM myTable;

STATS_WSR_TEST(VALUE,ID,'TWO_SIDED_SIG')
----------------------------------------
                              .039474349

SQL>
SQL>
SQL>
SQL> -- clean the table
SQL> drop table myTable
  2  /

Table dropped.

SQL>
SQL>
SQL>
SQL>








20.20.STATS_WSR_TEST
20.20.1.STATS_WSR_TEST(expr1, expr2, 'STATISTIC')
20.20.2.For one-tailed significance level: STATS_WSR_TEST(expr1, expr2, 'ONE_SIDED_SIG')
20.20.3.SELECT STATS_WSR_TEST(value, id, 'ONE_SIDED_SIG')
20.20.4.For two-tailed significance level: STATS_WSR_TEST(expr1, expr2, 'TWO_SIDED_SIG')