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BI 多维立方体CUBE
在Bi领域,cube是一个非常重要的概念,是多维立方体的简称,主要是用于支持联机分析应用(OLAP),为企业决策提供支持。Cube就像一个坐标系,每一个Dimension代表一个坐标系,要想得到一个一个点,就必须在每一个坐标轴上取得一个值,而这个点就是Cube中的Cell。如下图:Cube是联机分....
分类:其他好文   时间:2014-10-15 15:20:40    阅读次数:366
使用SVM对多类多维数据进行分类
最近,本人要做个小东西,使用SVM对8类三维数据进行分类,搜索网上,发现大伙讨论的都是二维数据的二分类问题,遂决定自己研究一番。本人首先参考了opencv的tutorial,网址是:http://docs.opencv.org/doc/tutorials/ml/non_linear_svms/non_linear_svms.html#nonlinearsvms,这也是二维数据的二分类问题。然后通过...
分类:其他好文   时间:2014-10-05 11:40:18    阅读次数:305
HDU - 5017 Ellipsoid(模拟退火法)
Problem Description Given a 3-dimension ellipsoid(椭球面) your task is to find the minimal distance between the original point (0,0,0) and points on the ellipsoid. The distance between two points...
分类:其他好文   时间:2014-10-04 18:05:26    阅读次数:242
java模拟一个简单的QQ
效果图: 1 package testFour; 2 3 import java.awt.Color; 4 import java.awt.Dimension; 5 import java.awt.FontMetrics; 6 import java.awt.Graphics; 7...
分类:编程语言   时间:2014-10-02 20:27:44    阅读次数:226
SAP ---- Access Sequencce
UseAn access sequence is a search strategy that the system uses to find valid data for a particular condition type. It determines the sequence in whic...
分类:数据库   时间:2014-09-28 16:03:53    阅读次数:231
Oracle EBS避免长时间不登录重新登录
?? 如何避免长时间不登录重新登录 (英文环境) 1、将配置文件ICX:Session Timeout的值设为空 2、将ICX:Limit time设置稍大些,如8小时 Profile说明: ICX:Session Timeout This profile option determines the length of time (in minutes) of ina...
分类:数据库   时间:2014-09-25 23:53:48    阅读次数:348
As cleanliness is a very important aspect
choosing the ideal welding equipment You can get two functions in one machine. As cleanliness is a very important aspect that determines comfort and g...
分类:Web程序   时间:2014-09-05 17:50:01    阅读次数:254
并发基本名词解释
Intra-thread semantics(线程内语义):             The memory model determines what values can be read at every point in the program. The actions of each thread in isolation must behave as governed by the se...
分类:其他好文   时间:2014-09-02 14:14:25    阅读次数:493
Linux -- sudoers文件
ASUDOERS(5) BSD File Formats Manual SUDOERS(5)NAME sudoers — default sudo security policy pluginDESCRIPTION The sudoers policy plugin determines a use...
分类:系统相关   时间:2014-08-30 16:20:20    阅读次数:312
How is Quality Score Calculated?
Google determines Quality Score slightly differently for each of the different advertising networks that it runs. Here we’ll learn how Quality Score.....
分类:其他好文   时间:2014-08-29 20:00:08    阅读次数:314
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