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Standard deviation in teradtaa
- Thread starter raasclaat
- Start date
Try this ...
Try this ...
/****************************/
create table abc (age integer);
insert into abc (29);
insert into abc (25);
insert into abc (21);
insert into abc (18);
SELECT
COUNT(age) AS total_count
,AVG(((age)(FLOAT))) AS avg_age
,SQRT(ABS((SUM(Age**2) / total_count) - AVG(Age)**2)) AS std_dev
FROM
(SELECT age
FROM abc ) A ;
/**********************************************/
Try this ...
/****************************/
create table abc (age integer);
insert into abc (29);
insert into abc (25);
insert into abc (21);
insert into abc (18);
SELECT
COUNT(age) AS total_count
,AVG(((age)(FLOAT))) AS avg_age
,SQRT(ABS((SUM(Age**2) / total_count) - AVG(Age)**2)) AS std_dev
FROM
(SELECT age
FROM abc ) A ;
/**********************************************/
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