41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
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var vows = require('vows');
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var assert = require('assert');
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var suite = vows.describe('jStat.coeffvar');
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require('../env.js');
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suite.addBatch({
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'coeffvar': {
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'topic': function() {
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return jStat;
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},
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'return basic coeffvar': function(jStat) {
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assert.equal(jStat.coeffvar([1, 2, 3, 4]), 0.447213595499958);
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},
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'coeffvar from instance': function(jStat) {
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assert.equal(jStat([1, 2, 3, 4]).coeffvar(), 0.447213595499958);
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},
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'coeffvar matrix cols': function(jStat) {
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assert.deepEqual(jStat([[1, 2], [4, 6]]).coeffvar(), [0.6, 0.5]);
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}
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},
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'#coeffvar vector': {
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'topic': function() {
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jStat([1, 2, 3, 4]).coeffvar(this.callback);
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},
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'coeffvar callback': function(val, stat) {
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assert.equal(val, 0.447213595499958);
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}
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},
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'#coeffvar matrix cols': {
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'topic': function() {
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jStat([[1, 2], [4, 6]]).coeffvar(this.callback);
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},
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'coeffvar matrix cols callback': function(val, stat) {
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assert.deepEqual(val, [0.6, 0.5]);
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}
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}
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});
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suite.export(module);
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