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Last change
on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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| 1 | var baseSum = require('./_baseSum');
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| 2 |
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| 3 | /** Used as references for various `Number` constants. */
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| 4 | var NAN = 0 / 0;
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| 5 |
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| 6 | /**
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| 7 | * The base implementation of `_.mean` and `_.meanBy` without support for
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| 8 | * iteratee shorthands.
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| 9 | *
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| 10 | * @private
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| 11 | * @param {Array} array The array to iterate over.
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| 12 | * @param {Function} iteratee The function invoked per iteration.
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| 13 | * @returns {number} Returns the mean.
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| 14 | */
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| 15 | function baseMean(array, iteratee) {
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| 16 | var length = array == null ? 0 : array.length;
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| 17 | return length ? (baseSum(array, iteratee) / length) : NAN;
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| 18 | }
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| 19 |
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| 20 | module.exports = baseMean;
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