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| author | leshe4ka46 <alex9102naid1@ya.ru> | 2025-12-09 11:42:25 +0300 |
|---|---|---|
| committer | leshe4ka46 <alex9102naid1@ya.ru> | 2025-12-09 11:42:25 +0300 |
| commit | 72b4edeadeafc9c54b3db9b0961a45da3d07b77c (patch) | |
| tree | fd472d1be885fc9856a3426e8aa794d9aee968c5 /R_AR/aaaaaaa.md | |
| parent | f60863aecfdfb2a7a35c9d2d4233142ca17c9152 (diff) | |
ar, tree
Diffstat (limited to 'R_AR/aaaaaaa.md')
| -rw-r--r-- | R_AR/aaaaaaa.md | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/R_AR/aaaaaaa.md b/R_AR/aaaaaaa.md new file mode 100644 index 0000000..6e84df7 --- /dev/null +++ b/R_AR/aaaaaaa.md @@ -0,0 +1,14 @@ +support = count(x)/count(total) + +confidence - если х, то скорей всего y = supp(x + y)/supp(x) + +lift - насколько зависят друг от друга = supp(x+y)/(supp(x) supp(y)) +1 независимы + +lift(a, b) = 1.25 -> +25% мощнее правила, что a просто покупают + +https://habr.com/ru/companies/ods/articles/353502/ + + + +откидываем нечастые |