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23 lines
1023 B
23 lines
1023 B
SELECT id1, sum(v1) AS v1 FROM source GROUP BY id1; --0.036 | 0.017 | .274
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SELECT id1, id2, sum(v1) AS v1 FROM source GROUP BY id1, id2; -- 0.063 | 0.013
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SELECT id3, sum(v1) AS v1, avg(v3) AS v3 FROM source GROUP BY id3; -- 2.322 | 0.406 | 2.27
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SELECT id4, avg(v1) AS v1, avg(v2) AS v2, avg(v3) AS v3 FROM source GROUP BY id4; -- 0.159 | 0.022
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SELECT id6, sum(v1) AS v1, sum(v2) AS v2, sum(v3) AS v3 FROM source GROUP BY id6; -- 1.778 | 0.699 | 2.283
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--faster median
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--SELECT id4, id5, median(v3) AS median_v3, stddev(v3) AS sd_v3 FROM source GROUP BY id4, id5; -- x4
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SELECT id3, max(v1) - min(v2) AS range_v1_v2 FROM source GROUP BY id3; -- 0.857 | 0.467 | 2.236
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-- select top 2 from each grp
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-- SELECT id6, subvec(v3,0,2) AS v3 FROM source GROUP BY id6 order by v3;
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-- implement corr
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--SELECT id2, id4, pow(corr(v1, v2), 2) AS r2 FROM source GROUP BY id2, id4;
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SELECT id1, id2, id3, id4, id5, id6, sum(v3) AS v3, count(*) AS cnt FROM source GROUP BY id1, id2, id3, id4, id5, id6; -- 2.669 | 1.232 | 2.221(1.8)
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