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






  1. Oracle PL / SQL
  2. Analytical Functions
  3. STATS_WSR_TEST

STATS_WSR_TEST(expr1, expr2, 'TWO_SIDED_SIG'): For two-tailed significance level



SQL>
SQL>
SQL> create table TestTable (
  2    x    number primary key,
  3    y    number
  4  );

Table created.

SQL> insert into TestTable values (1, 7 );

1 row created.

SQL> insert into TestTable values (2, 1 );

1 row created.

SQL> insert into TestTable values (3, 2 );

1 row created.

SQL> insert into TestTable values (4, 5 );

1 row created.

SQL> insert into TestTable values (5, 7 );

1 row created.

SQL> insert into TestTable values (6, 34 );

1 row created.

SQL> insert into TestTable values (7, 32 );

1 row created.

SQL> insert into TestTable values (8, 43 );

1 row created.

SQL> insert into TestTable values (9, 87 );

1 row created.

SQL>
SQL> select * from TestTable;

         X          Y
---------- ----------
         1          7
         2          1
         3          2
         4          5
         5          7
         6         34
         7         32
         8         43
         9         87

9 rows selected.

SQL>
SQL> -- STATS_WSR_TEST(expr1, expr2, 'TWO_SIDED_SIG'): For two-tailed significance level
SQL>
SQL> -- STATS_WSR_TEST(expr1, expr2, 'TWO_SIDED_SIG')
SQL>
SQL>
SQL> SELECT STATS_WSR_TEST(y, x, 'TWO_SIDED_SIG') FROM TestTable;

STATS_WSR_TEST(Y,X,'TWO_SIDED_SIG')
-----------------------------------
                         .027847953

SQL>
SQL> drop table TestTable;

Table dropped.

SQL>
SQL>
SQL>








Related examples in the same category

1.STATS_WSR_TEST(expr1, expr2, 'ONE_SIDED_SIG'): For one-tailed significance level
2.STATS_WSR_TEST(y, x, 'STATISTIC'): Wilcoxon Signed Ranks test tests whether medians of two populations are significantly different