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1 | // returns 0 for identical, 1 for completely different |
2 | static <A> double chiSquared_histogramsWithSum1(Map<A, Double> map1, Map<A, Double> map2) {
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3 | if (empty(map1) || empty(map2)) ret Double.NaN; |
4 | double sum = 0; |
5 | for (A key : joinSets(keys(map1), keys(map2))) {
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6 | double mi = or0(map1.get(key)); |
7 | double ni = or0(map2.get(key)); |
8 | double item = sqr(ni-mi)/(mi+ni); |
9 | ifdef chiSquared_histogramsWithSum1_debug |
10 | printVars_str(+key, +mi, +ni, +item); |
11 | endifdef |
12 | sum += item; |
13 | } |
14 | ret sum/2; |
15 | } |
Began life as a copy of #1030107
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| Snippet ID: | #1030110 |
| Snippet name: | chiSquared_histogramsWithSum1 |
| Eternal ID of this version: | #1030110/6 |
| Text MD5: | 1e062e0920d5e60bb79834991cbad836 |
| Transpilation MD5: | 62a2cbdfed8f2c67eb4f49517f51b4ec |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-11-09 12:56:05 |
| Source code size: | 530 bytes / 15 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 156 / 211 |
| Version history: | 5 change(s) |
| Referenced in: | [show references] |