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Avoid allocation.

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Nuno Cruces
2024-01-12 13:33:43 +00:00
parent 6b0c2c0554
commit 145bc228af
3 changed files with 13 additions and 10 deletions
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ext/stats/TODO.md
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@@ -23,7 +23,7 @@ https://sqlite.org/lang_aggfunc.html
- [x] `COVAR_SAMP(dependent, independent)`
- [x] `CORR(dependent, independent)`
## Linear regression
## Linear regression aggregates
- [X] `REGR_AVGX(dependent, independent)`
- [X] `REGR_AVGY(dependent, independent)`
@@ -35,11 +35,13 @@ https://sqlite.org/lang_aggfunc.html
- [X] `REGR_INTERCEPT(dependent, independent)`
- [X] `REGR_R2(dependent, independent)`
## Ordered set aggregates
## Set aggregates
- [ ] `CUME_DIST(value_list) WITHIN GROUP (ORDER BY sort_list)`
- [ ] `RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
- [ ] `DENSE_RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
- [ ] `PERCENT_RANK(value_list) WITHIN GROUP (ORDER BY sort_list)`
- [ ] `PERCENTILE_CONT(percentile) WITHIN GROUP (ORDER BY sort_list)`
- [ ] `PERCENTILE_DISC(percentile) WITHIN GROUP (ORDER BY sort_list)`
- [X] `CUME_DIST() OVER window`
- [X] `RANK() OVER window`
- [X] `DENSE_RANK() OVER window`
- [X] `PERCENT_RANK() OVER window`
- [ ] `PERCENTILE_CONT(percentile) OVER window`
- [ ] `PERCENTILE_DISC(percentile) OVER window`
https://sqlite.org/windowfunctions.html#builtins