ClickHouse/tests/queries/0_stateless/02020_exponential_smoothing.sql
Artur Filatenkov 6a3cb0d9ea rename tests
2021-09-29 17:43:35 +03:00

33 lines
1.2 KiB
SQL

SELECT number = 0 AS value, number AS time, exponentialMovingAverage(1)(value, time) OVER (ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS exp_smooth FROM numbers(10);
SELECT value, time, round(exp_smooth, 3) FROM (SELECT number = 0 AS value, number AS time, exponentialMovingAverage(10)(value, time) OVER (ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS exp_smooth FROM numbers(10));
SELECT number AS value, number AS time, exponentialMovingAverage(1)(value, time) OVER (ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS exp_smooth FROM numbers(10);
SELECT
value,
time,
round(exp_smooth, 3),
bar(exp_smooth, 0, 1, 50) AS bar
FROM
(
SELECT
(number = 0) OR (number >= 25) AS value,
number AS time,
exponentialMovingAverage(10)(value, time) OVER (ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS exp_smooth
FROM numbers(50)
);
SELECT
value,
time,
round(exp_smooth, 3),
bar(exp_smooth, 0, 1, 50) AS bar
FROM
(
SELECT
(number % 5) = 0 AS value,
number AS time,
exponentialMovingAverage(1)(value, time) OVER (ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS exp_smooth
FROM numbers(50)
);