Statistic() public method

在指定的数据集中，根据指定的统计方法对指定字段进行统计计算。
参数 datasourceName、datasetName、fieldName 为空时抛出异常。 服务端处理错误时抛出异常。
public Statistic ( string datasourceName, string datasetName, string fieldName, StatisticMode statisticMode ) : double
datasourceName string 数据源名称，必设参数。
datasetName string 数据集名称，必设参数。
fieldName string 字段名称，必设参数。
statisticMode StatisticMode 统计方法。
return double
Data Class Documentation
Esempio n. 1
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 public void Statistic_VARIANCE()
 {
     Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
     double result = data.Statistic("World", "Countries", "COLOR_MAP", StatisticMode.VARIANCE);
     Assert.IsTrue(result == 1.19788883607337);
 }
Esempio n. 2
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 public void Statistic_STDDEVIATION()
 {
     Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
     double result = data.Statistic("World", "Countries", "COLOR_MAP", StatisticMode.STDDEVIATION);
     Assert.IsTrue(result == 1.09448108072884);
 }
Esempio n. 3
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 public void Statistic_SUM()
 {
     Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
     double result = data.Statistic("World", "Countries", "COLOR_MAP", StatisticMode.SUM);
     Assert.IsTrue(result == 639);
 }
Esempio n. 4
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 public void Statistic_AVERAGE()
 {
     Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
     double result = data.Statistic("World", "Countries", "COLOR_MAP", StatisticMode.AVERAGE);
     Assert.IsTrue(result == 2.58704453441296);
 }