34 lines
835 B
JavaScript
34 lines
835 B
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.distribution');
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require('../env.js');
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suite.addBatch({
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'negbin pdf': {
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'topic': function() {
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return jStat;
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},
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'check pdf calculation': function(jStat) {
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var k = 10; // number of failures
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var r = 5; // threshold number of successes
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var p = 0.25; // probability of a success
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assert(jStat.negbin.pdf(k, r, p), 0.05504866037517786);
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}
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},
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'negbin cdf': {
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'topic': function() {
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return jStat;
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},
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'check pdf calculation': function(jStat) {
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var k = 10; // number of failures
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var r = 5; // threshold number of successes
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var p = 0.25; // probability of a success
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assert(jStat.negbin.cdf(k, r, p), 0.3135140584781766);
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}
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},
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});
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suite.export(module);
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