Add simple-array tests for mean, median, and standard_deviation · f6bca0c · flagon-io/automation-lab

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assert.strictEqual(math.power(2, 10), 1024);

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assert.strictEqual(math.power(5, 0), 1);

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assert.throws(() => math.power(2, -1), RangeError);

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assert.strictEqual(math.mean([1, 2, 3]), 2);

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assert.strictEqual(math.mean([1, 2, 3, 4]), 2.5);

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assert.strictEqual(math.median([1, 2, 3]), 2);

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assert.strictEqual(math.median([3, 1, 2]), 2);

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assert.strictEqual(math.median([4, 1, 3, 2]), 2.5);

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assert.strictEqual(math.standard_deviation([1, 2, 3]), Math.sqrt(2 / 3));

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assert.strictEqual(math.standard_deviation([2, 4, 4, 4, 5, 5, 7, 9]), 2);

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for (const fn of [math.mean, math.median, math.standard_deviation]) {

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assert.throws(() => fn([]), TypeError);