2016-04-12 12:40:37 -04:00
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import {
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describe,
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ddescribe,
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it,
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iit,
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xit,
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expect,
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beforeEach,
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afterEach
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2016-04-28 20:50:03 -04:00
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} from '@angular/testing/testing_internal';
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2015-02-11 13:13:49 -05:00
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2015-05-27 17:57:54 -04:00
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import {Statistic} from 'benchpress/src/statistic';
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2015-02-11 13:13:49 -05:00
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2016-04-28 20:50:03 -04:00
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import {NaN} from '@angular/facade';
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2015-02-11 13:13:49 -05:00
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export function main() {
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describe('statistic', () => {
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it('should calculate the mean', () => {
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expect(Statistic.calculateMean([])).toBeNaN();
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2015-05-27 17:57:54 -04:00
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expect(Statistic.calculateMean([1, 2, 3])).toBe(2.0);
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2015-02-11 13:13:49 -05:00
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});
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it('should calculate the standard deviation', () => {
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expect(Statistic.calculateStandardDeviation([], NaN)).toBeNaN();
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expect(Statistic.calculateStandardDeviation([1], 1)).toBe(0.0);
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expect(Statistic.calculateStandardDeviation([2, 4, 4, 4, 5, 5, 7, 9], 5)).toBe(2.0);
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});
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it('should calculate the coefficient of variation', () => {
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expect(Statistic.calculateCoefficientOfVariation([], NaN)).toBeNaN();
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expect(Statistic.calculateCoefficientOfVariation([1], 1)).toBe(0.0);
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expect(Statistic.calculateCoefficientOfVariation([2, 4, 4, 4, 5, 5, 7, 9], 5)).toBe(40.0);
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});
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it('should calculate the regression slope', () => {
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expect(Statistic.calculateRegressionSlope([], NaN, [], NaN)).toBeNaN();
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expect(Statistic.calculateRegressionSlope([1], 1, [2], 2)).toBeNaN();
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2015-05-27 17:57:54 -04:00
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expect(Statistic.calculateRegressionSlope([1, 2], 1.5, [2, 4], 3)).toBe(2.0);
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2015-02-11 13:13:49 -05:00
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});
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});
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2016-04-28 20:50:03 -04:00
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}
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