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added mean function

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This commit is contained in:
Miodec 2022-01-07 16:24:45 +01:00
parent 296bdc56ff
commit 1231e6bc9b
1 changed files with 10 additions and 0 deletions
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10
backend/handlers/misc.js
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@ -9,4 +9,14 @@ module.exports = {
array.map((x) => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / n
);
},
mean(array) {
try {
return (
array.reduce((previous, current) => (current += previous)) /
array.length
);
} catch (e) {
return 0;
}
},
};