Real Application Testing diagram    
原创 2012-01-19 14:12:56
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Here is the note for lecture five. There will be several points 1. Training and Testing Both of these are about data. Training is using the data to ge
转载 2017-04-18 21:36:00
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Real Application Testing = SPA + Database Replay SPA和
原创 2011-12-25 10:58:31
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 http://database.51cto.com/art/201208/352121.htm
转载 精选 2012-08-13 21:14:28
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.
原创 2011-12-12 19:58:42
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两个对象i和j之间的相异性可以根据不匹配率来计算:d(i,j) = (p-m)/p;其中,m是匹配的数目(即i和j取值相同状态的属性数), 而p是刻画对象的属性总数。相似性d(i,j)=1-d(i,j); 对于对称的二元属性,每个状态都同样重要。基于对称二元属性的相异性称做对称的二元相异性。d(i,j)=(r+s)/(q+r+s+t);非对称的二元属性,两个状态不是同等重要的,非对称的二
原创 2015-02-05 17:12:42
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Data mining is an interdisciplinary subfield of computer science usedto discover patterns in complex datasets. The field has been widely studied since the 70’s since it can produce usefu...
转载 2022-06-24 22:42:10
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create user datamine identified by 123456 QUOTA UNLIMITED ON users; 然后在sqldeveloper工具界面-data miner中,然后才能打开,新建工作流之类 alter user log1 QUOTA UNLIMITED ON
转载 2017-08-24 16:43:00
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crm data mining - 国际版 Binghttps://cn.bing.com/search?FORM=U227DF&PC=U227&q=crm+data+mining Data Mining in CRM | Rolustechhttps://www.rolustech.com/blo
转载 2020-01-20 20:52:00
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https://en.wikipedia.org/wiki/K-means_clustering k-means clustering is a method of vector quantization, originally from signal processing, that is pop
sed
转载 2016-12-14 19:17:00
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Data mining is the process of massaging the data held in the data warehouse intomore useful information. Data-mining tools are used to find an association and correlationin data to produce metadata. M
翻译 2008-12-09 15:53:10
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记录机器学习与数据挖掘学习
原创 2015-04-24 07:16:20
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1、数据挖掘介绍1.1 数据挖掘概述1.2 数据挖掘流程1.3 数据、属性和度量1.4 数据挖掘开发工具1.5 数据挖掘学习路径2、预备知识-数学2.1 矩阵和线性代数2.2 概率论和数理统计2.3 信息熵与基尼系数2.4 最优化3、预备知识--python3.1 python语言基础3.2 数据采集与爬虫3.3 数据可视化4、数据预处理4.1 数据抽取、转换和加载4.2 数据清洗4.3 特征处理
一.DataMining 组件 说明在说明之前,我们先用如下SQL查看一下DB中的组件:SQL> col comp_id for a15SQL> col version for a15SQL> col comp_name for a30SQL> select comp_id,comp_name,versionfrom dba_registry ;COMP_ID       
原创 2022-01-05 11:22:10
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一.DataMining 组件 说明在说明之前,我们先用如下SQL查看一下DB中的组件:SQL> col comp_id for a15SQL> col version for a15SQL> col comp_name for a30SQL> select comp_id,comp_name,versionfrom dba_registry ;COMP_ID COMP_NAME
转载 2012-03-09 14:51:00
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一.DataMining 组件 说明在说明之前,我们先用如下SQL查看一下DB中的组件:SQL> col comp_id for a15SQL> col version for a15SQL> col comp_name for a30SQL> select comp_id,comp_name,versionfrom dba_registry ;COMP_ID
转载 2012-03-09 14:51:00
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一.DataMining 组件 说明在说明之前,我们先用如下SQL查看一下DB中的组件:SQL> col comp_id for a15SQL> col version for a15SQL> col comp_name for a30SQL> select comp_id,comp_name,versionfrom dba_registry ;COMP_ID       
原创 2021-12-31 11:11:06
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一.DataMining 组件 说明在说明之前,我们先用如下SQL查看一下DB中的组件:SQL> col comp_id for a15SQL> col version for a15SQL> col comp_name for a30SQL> select comp_id,comp_name,versionfrom dba_registry ;COMP_ID COMP_NAME VERSION--------------------------------------------- ---------------XDB Oracle XML Database 11.2
转载 2012-03-09 14:51:00
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Applying data mining for ontology building   Abd-Elrahman Elsayed1, Samhaa R. El-Beltagy2, Mahmoud Rafea1, Osman Hegazy3  1 The Central Laboratory for Agricultural Expert Systems, Giza, Egypt 2 Facult
转载 2010-07-22 12:56:00
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一.DataMining 组件 说明 在说明之前,我们先用如下SQL查看
原创 2022-09-01 20:57:17
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