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demo.sinefit.sql
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-- table - __data1 - insert | |
DROP TABLE IF EXISTS __data1; | |
CREATE TABLE __data1 AS | |
SELECT | |
tt, | |
SIN(tt) AS yy | |
FROM ( | |
SELECT | |
value * 1.0 / (2 * 3.14) AS tt | |
FROM GENERATE_SERIES(0, 256) | |
); | |
-- table - __result1 - insert | |
DROP TABLE IF EXISTS __result1; | |
CREATE TABLE __result1 AS | |
SELECT | |
tt, | |
yy, | |
ROUND(SINEFIT_EXTRACT(__fit_result, 0, 'syy', 1), 4) AS yy_fitted, | |
ROUND(SINEFIT_EXTRACT(__fit_result, 0, 'saa', 1), 4) AS amplitude, | |
ROUND(SINEFIT_EXTRACT(__fit_result, 0, 'spp', 1), 4) AS phase, | |
ROUND(SINEFIT_EXTRACT(__fit_result, 0, 'sww', 1), 4) AS angular_frequency | |
FROM ( | |
SELECT | |
tt, | |
yy, | |
WIN_SINEFIT2( | |
1, NULL, | |
tt, yy | |
) OVER ( | |
ORDER BY tt ASC | |
ROWS BETWEEN 64 - 1 PRECEDING AND 0 FOLLOWING | |
) AS __fit_result | |
FROM __data1 | |
); | |
-- chart - chart._03_tradebot_historical_1_month - create | |
DROP TABLE IF EXISTS chart.__plot1; | |
CREATE TABLE chart.__plot1 ( | |
datatype TEXT NOT NULL, | |
series_index INTEGER, | |
xx REAL, | |
yy REAL, | |
series_label REAL, | |
xx_label TEXT, | |
options TEXT | |
); | |
INSERT INTO chart.__plot1 (datatype, options) | |
SELECT | |
'options' AS datatype, | |
'{"title":"sinefit","xaxisTitle":"time","yaxisTitle":"amplitude"}' AS options; | |
INSERT INTO chart.__plot1 (datatype, options, series_index, series_label) | |
SELECT | |
'series_label' AS datatype, | |
JSON_OBJECT( | |
'isDummy', 0, | |
'isHidden', 0 | |
) AS options, | |
series_index, | |
series_label | |
FROM ( | |
SELECT 1 AS series_index, 'data-actual' AS series_label | |
-- | |
UNION ALL | |
-- | |
SELECT 2 AS series_index, 'data-fitted' AS series_label | |
); | |
INSERT INTO chart.__plot1 (datatype, series_index, xx, yy) | |
SELECT | |
'yy_value' AS datatype, | |
series_index, | |
xx, | |
yy | |
FROM ( | |
SELECT 1 AS series_index, tt AS xx, yy AS yy FROM __result1 | |
-- | |
UNION ALL | |
-- | |
SELECT 2 AS series_index, tt AS xx, yy_fitted AS yy FROM __result1 | |
); |
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