time-to-botec/squiggle/node_modules/jstat/test/vector/covariance-test.js

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var vows = require('vows');
var assert = require('assert');
var suite = vows.describe('jStat.covariance');
require('../env.js');
suite.addBatch({
'covariance': {
'topic': function() {
return jStat;
},
'return basic covariance': function(jStat) {
assert.equal(jStat.covariance([1, 2, 3, 4], [4, 5, 6, 7]),
1.6666666666666667);
}
}
});
suite.export(module);