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

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var vows = require('vows');
var assert = require('assert');
var suite = vows.describe('jStat.meddev');
require('../env.js');
suite.addBatch({
'meddev': {
'topic': function() {
return jStat;
},
'return basic meddev': function(jStat) {
assert.equal(jStat.meddev([4, 5, 7, 22, 90, 1, 4, 5]), 1.5);
},
'meddev from instance': function(jStat) {
assert.equal(jStat([1, 2, 3, 4]).meddev(), 1);
},
'meddev matrix cols': function(jStat) {
assert.deepEqual(jStat([[1, 2], [3, 4]]).meddev(), [1, 1]);
}
},
'#meddev vector': {
'topic': function() {
jStat([1, 2, 3, 4]).meddev(this.callback);
},
'meddev callback': function(val, stat) {
assert.equal(val, 1);
}
},
'#meddev matrix cols': {
'topic': function() {
jStat([[1, 2], [3, 4]]).meddev(this.callback);
},
'meddev matrix cols callback': function(val, stat) {
assert.deepEqual(val, [1, 1]);
}
}
});
suite.export(module);