|  | <!DOCTYPE html> | 
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|  | Licensed to the Apache Software Foundation (ASF) under one | 
|  | or more contributor license agreements.  See the NOTICE file | 
|  | distributed with this work for additional information | 
|  | regarding copyright ownership.  The ASF licenses this file | 
|  | to you under the Apache License, Version 2.0 (the | 
|  | "License"); you may not use this file except in compliance | 
|  | with the License.  You may obtain a copy of the License at | 
|  |  | 
|  | http://www.apache.org/licenses/LICENSE-2.0 | 
|  |  | 
|  | Unless required by applicable law or agreed to in writing, | 
|  | software distributed under the License is distributed on an | 
|  | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
|  | KIND, either express or implied.  See the License for the | 
|  | specific language governing permissions and limitations | 
|  | under the License. | 
|  | --> | 
|  |  | 
|  |  | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <meta name="viewport" content="width=device-width, initial-scale=1" /> | 
|  | <script src="lib/simpleRequire.js"></script> | 
|  | <script src="lib/config.js"></script> | 
|  | <script src="lib/jquery.min.js"></script> | 
|  | <script src="lib/facePrint.js"></script> | 
|  | <script src="lib/testHelper.js"></script> | 
|  | <!-- <script src="ut/lib/canteen.js"></script> --> | 
|  | <link rel="stylesheet" href="lib/reset.css" /> | 
|  | </head> | 
|  | <body> | 
|  | <style> | 
|  | </style> | 
|  |  | 
|  |  | 
|  |  | 
|  | <div id="main_regression"></div> | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  | <script> | 
|  |  | 
|  | require(['echarts', 'ecStat'], function (echarts, ecStat) { | 
|  |  | 
|  | echarts.registerTransform(ecStat.transform.regression); | 
|  |  | 
|  | var rawData = [ | 
|  | [1, 4862.4], | 
|  | [2, 5294.7], | 
|  | [3, 5934.5], | 
|  | [4, 7171.0], | 
|  | [5, 8964.4], | 
|  | [6, 10202.2], | 
|  | [7, 11962.5], | 
|  | [8, 14928.3], | 
|  | [9, 16909.2], | 
|  | [10, 18547.9], | 
|  | [11, 21617.8], | 
|  | [12, 26638.1], | 
|  | [13, 34634.4], | 
|  | [14, 46759.4], | 
|  | [15, 58478.1], | 
|  | [16, 67884.6], | 
|  | [17, 74462.6], | 
|  | [18, 79395.7] | 
|  | ]; | 
|  |  | 
|  | var option = { | 
|  | dataset: [{ | 
|  | source: rawData | 
|  | }, { | 
|  | transform: { | 
|  | type: 'ecStat:regression', | 
|  | config: { | 
|  | method: 'exponential' | 
|  | } | 
|  | } | 
|  | }, { | 
|  | fromDatasetIndex: 1, | 
|  | fromTransformResult: 1 | 
|  | }], | 
|  | legend: { | 
|  | bottom: 20 | 
|  | }, | 
|  | tooltip: { | 
|  | }, | 
|  | xAxis: { | 
|  | type: 'category', | 
|  | }, | 
|  | yAxis: { | 
|  | }, | 
|  | series: [{ | 
|  | name: 'scatter', | 
|  | type: 'scatter', | 
|  | datasetIndex: 0 | 
|  | }, { | 
|  | name: 'regression', | 
|  | type: 'line', | 
|  | symbolSize: 0.1, | 
|  | symbol: 'circle', | 
|  | datasetIndex: 1, | 
|  | label: { show: true, fontSize: 16 }, | 
|  | labelLayout: { dx: -20 }, | 
|  | encode: { label: 2, tooltip: 1 } | 
|  | }] | 
|  | }; | 
|  |  | 
|  | var chart = testHelper.create(echarts, 'main_regression', { | 
|  | title: [ | 
|  | 'Regression: the **expression string** should be displayed', | 
|  | ], | 
|  | option: option | 
|  | }); | 
|  |  | 
|  |  | 
|  | }); | 
|  |  | 
|  | </script> | 
|  |  | 
|  |  | 
|  | </body> | 
|  | </html> | 
|  |  |