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remove define & add testcase sample. #10

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remove define & add testcase sample. #10

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3 changes: 3 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -161,11 +161,14 @@ pip-log.txt

# Mac crap
.DS_Store
.idea

node_modules
coverage

map/tool
theme/thumb
/lib
todo
**/*.log

27 changes: 27 additions & 0 deletions __tests__/regression.js
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@@ -0,0 +1,27 @@
/**
* Created by hustcc on 18/3/13.
* Contract: [email protected]
*/

var ecStat = require('../');

/**
* test cases for regression
*/
describe('regression', function() {
test('linear regression', function() {
var data = [
[1, 2],
[3, 5]
];
var myRegression = ecStat.regression('linear', data);
expect(myRegression).toEqual({
expression: 'y = 1.5x + 0.5',
parameter: {
gradient: 1.5,
intercept: 0.5
},
points: [[1, 2], [3, 5]]
});
});
});
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