k-means-k-means文档介绍内容-阿里云

K均值聚类算法（K-Means）

本文介绍了K均值聚类算法（K-Means Clustering Algorithm，以下简称K-Means）相关内容。简介 K-Means算法是一种迭代求解的聚类分析算法。该算法原理为：先将数据分为K组，随机选取K个对象作为初始的聚类中心，然后计算每个对象与各个种子聚...

K均值聚类

是自动自动 K-Means算法 elkan K-Means算法其他参数参数名参数描述模型结果模型结果展示模型聚类效果以及聚类结果，其中“CH分数（即Calinski-Harabasz指标）”和“轮廓系数”反应聚类效果，值越大，说明聚类效果越好。

机器学习

聚类问题：提供K-Means算法实现聚类分析；关联分析：提供Apriori算法实现关联分析，解决如“啤酒与尿布”的关联问题；时序分析：提供ARIMA自回归移动平均模型预测时间序列数据的未来值；其他：数据降维如通过PCA主成分分析模型来提炼主因子...

产品功能

聚合器（Aggregator）、Cox风险比例回归模型（CoxPH）、深度学习（DeepLearning）、分布式随机森林（DRF）、梯度提升模型（GBM）、广义线性模型（GLM）、广义低阶模型（GLRM）、孤立森林（IF）、K均值聚类（K-means）、朴素贝叶斯模型...

机器学习（MADlib）

聚类问题：提供K-Means算法实现聚类分析。关联分析：提供Apriori算法实现关联分析，解决如“啤酒与尿布”的关联问题。时序分析：提供ARIMA自回归移动平均模型预测时间序列数据的未来值。其他：数据降维如通过PCA主成分分析模型来提炼主因子...

Spark MLlib

场景本示例将在DLA Serverless Spark中通过K-Means聚类算法，将以下数据分成两个族类，然后判断测试数据是否在族类中。0.0 0.0 0.0 0.1 0.1 0.1 0.2 0.2 0.2 9.0 9.0 9.0 9.1 9.1 9.1 9.2 9.2 9.2 前提条件在DLA Serverless Spark中运行...

K均值聚类

质心初始化方法支持 Random、First K、Uniform、K-Means+及使用初始质心表方法。最大迭代次数取值范围为1~1000。收敛标准迭代终止条件。初始随机种子默认值为当前时间。如果 seed 为固定值，则聚类结果稳定。执行调优核心数默认为...

Override public boolean terminate(WorkerContext context,KmeansAggrValue value)throws IOException {/Calculate the new means to be the centroids(original sums)DenseMatrix newCentriods=calculateNewCentroids(value.sums,value....

alicloud_msc_sub_subscriptions

0 means not subscribed.id-The ID of the Subscription.item_id-The ID of the Subscription.item_name-The name of the Subscription.pmsg_status-The status of pmsg subscription.Valid values:-1,-2,0,1.-1 means required,-2 means ...

alicloud_msc_sub_subscription

0 means not subscribed.item_name-(Required,ForceNew)The name of the Subscription.NOTE:You should use the alicloud_msc_sub_subscriptions to query the available subscription item name.pmsg_status-(Optional)The status of pmsg...

DescribeCheckFixDetails-查询检查项修复明细信息

The setting value is 0 means no definition,1 means success,2 means failure,3 means success and failure ParamDefaultValue string 规则参数默认值。5 ParamType integer 规则参数类型。取值：1：输入 2：选择 1 MinValue integer ...

DescribeRiskType-查询基线类型

The setting value is 0 means no definition,1 means success,2 means failure,3 means success and failure MinValue integer 基线子类型的检测项的规则的参数最小值。1 EnumValue string paramType 取值为 1 时，此值为空。paramType ...

DescribeStrategyDetail-获取基线策略详情

The setting value is 0 means no definition,1 means success,2 means failure,3 means success and failure MinValue integer 规则参数最小值。1 EnumValue string 规则参数为选择类型时，规则参数的选项。0,1,2,3 SupportedOs string ...

子查询

MEAN()值并在这些值上加上条件"class="reference-link">计算多个 MEAN()值并在这些值上加上条件>SELECT"all_the_means"FROM(SELECT MEAN("water_level")AS"all_the_means"FROM"h2o_feet"WHERE time>='2015-08-18T00:00:00Z' AND time...

alicloud_hbr_ots_backup_plan

the next backup task will not be triggered.startTime Backup start time,UNIX time seconds.interval ISO8601 time interval.E.g:PT1H means one hour apart.P1D means one day apart.vault_id-(Required)The ID of backup vault....

LiveChannel管理

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

保留策略

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

快速入门

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

存储空间标签

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

alicloud_ros_template_scratch

Otherwise,it means to scan all resources in the specified resource group.NOTE:A maximum of 20 resource type filter can be configured.Block source_tag The source_tag supports the following:resource_tags-(Required)Source ...

SDK快速入门

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

功能特性

8K/16K/24K 否否标准版思婧 sijing 严厉女声客服场景纯中文场景 8K/16K/24K 是否标准版思彤 sitong 儿童音童声场景纯中文场景 8K/16K/24K 否否标准版小北 xiaobei 萝莉女声童声场景纯中文场景 8K/16K/24K 是否标准版艾彤...

接口说明

8K/16K/24K/48K 否否精品版知佳 zhijia 标准女声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 否否精品版知楠 zhinan 广告男声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 否否精品版知倩 zhiqian 资讯女声超...

列举存储空间

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

接口说明

支持中文及中英文混合场景 8K/16K/24K/48K 是否精品版知茹 zhiru 新闻女声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 是否精品版知德 zhide 新闻男声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 是否精品版 ...

接口说明

支持中文及中英文混合场景 8K/16K/24K/48K 否否精品版知茹 zhiru 新闻女声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 否否精品版知德 zhide 新闻男声超高清场景支持中文及中英文混合场景 8K/16K/24K/48K 否否精品版 ...

列举文件

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

绑定自定义域名

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

alicloud_hbr_oss_backup_plans

the next backup task will not be triggered.startTime Backup start time,UNIX time seconds.interval ISO8601 time interval.E.g:PT1H means one hour apart.P1D means one day apart.backup_type-(Optional,Computed,ForceNew)Backup ...

接口说明

对话数字人支持中文及中英文混合场景 8K/16K/24K/48K 否是标准版知小夏 zhixiaoxia 普通话女声对话数字人支持中文及中英文混合场景 8K/16K/24K/48K 否是标准版知小妹 zhixiaomei 普通话女声直播数字人支持中文及中英文混合场景 ...

MaxCompute K均值聚类最佳实践

本文为您介绍如何通过提交一个使用MaxCompute计算资源的超参数调优实验，来运行K均值聚类和聚类模型评估组件，以获取K均值聚类组件算法的较优超参数组合。步骤一：准备数据您可以参考聚类模型评估中的示例来准备测试数据和评估数据。本...

alicloud_hbr_ots_backup_plans

the next backup task will not be triggered.startTime Backup start time,UNIX time seconds.interval ISO8601 time interval.E.g:PT1H means one hour apart.P1D means one day apart.updated_time-The update time of the backup plan....

数据复制

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

服务器端加密

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

日志转存

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

MULTI_KEYVALUE

k1 k2 k1:v1 k2:v2 NULL:k1 k2 k1 v1;k2 v2;NULL k1 k2 测试语句 SELECT c1,c2 FROM T1,lateral table(MULTI_KEYVALUE(str,split1,split2,key1,key2))as T(c1,c2);测试结果 c1(VARCHAR)c2(VARCHAR)v1 v2 NULL NULL v1 NULL NULL NULL NULL ...

alicloud_hbr_nas_backup_plans

the next backup task will not be triggered.startTime Backup start time,UNIX time seconds.interval ISO8601 time interval.E.g:PT1H means one hour apart.P1D means one day apart.file_system_id-The File System ID of Nas.create_...

简单上传

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

Bucket Policy

} catch(ClientException ce){ System.out.println("Caught an ClientException,which means the client encountered"+"a serious internal problem while trying to communicate with OSS,"+"such as not being able to access the ...

解析与更新JSON数据

原始日志 data:{"k1":"v1","k2":{"k3":"v3","k4":"v4"}} 加工规则 e_json("data",depth=1)加工结果 data:{"k1":"v1","k2":{"k3":"v3","k4":"v4"}} k1:v1 k2:{"k3":"v3","k4":"v4"} 示例2：完全展开JSON对象例如，完全展开 data 字段值中的...

k-means

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