第三章信息获取 3.1信息概述 一、数据:记录客观事物的性质、形态和数量特征的抽象符号(文字、数字、图表、图形、曲线)。 二、信息:数据经加工处理后得到信息。反映客观规律。 两者之间无绝对界限

工序质量波动及其规律性，质量波动，质量波动形式。工序质量的影响因素“5MIE 质量波动的统计规律和数据类型 ，受控状态下的观测结果呈现的统计意义上的 规律性。 数据类型:计数值(计件值,计点值) 计量值

本章学习目标 ·了解广域网提供的两种类型的服务 ·了解路由选择机制,路由选择算法及拥塞控制原理 ·掌握IP地址的分类,IP地址与MAC地址的转换与ARP协议 ·掌握IP地址的申请、分配管理与子网划分,子网掩码的运 用 了解IP数据报的格式与工作原理、ICMP的作用 ·了解IPv6的机理和工作模式

1 导言 2 基本原理与概念 2.1 基本原理 2.2 对象的产生，排列及删除 2.3 在线帮助 3 R的数据操作 3.1 对象 3.2 在文件中读写数据 3.3 存储数据 3.4 生成数据 3.4.1 规则序列 3.4.2 随机序列 3.5 使用对象 3.5.1 创建对象 3.5.2 对象的类型转换 3.5.3 运算符 3.5.4 访问一个对象的数值：下标系统 3.5.5 访问对象的名称 3.5.6 数据编辑器 3.5.7 数学运算和一些简单的函数 3.5.8 矩阵计算 4 R绘图 4.1 管理绘图 4.1.1 打开多个绘图设备 4.1.2 图形的分割 4.2 绘图函数 4.3 低级绘图命令 4.4 绘图参数 4.5 一个实例 4.6 grid 和lattice 包 5 R的统计分析 5.1 关于方差分析的一个简单例子 5.2 公式 5.3 泛型函数 5.4 包 6 R编程实践 6.1 循环和向量化 6.2 用R写程序 6.3 编写你自己的函数 7 R 相关的文献

4.1 Define data mining as an enabling technology for business analytics 4.2 Understand the objectives and benefits of data mining 4.3 Become familiar with the wide range of applications of data mining 4.4 Learn the standardized data mining processes 4.5 Learn different methods and algorithms of data mining 4.6 Build awareness of the existing data mining software tools 4.7 Understand the privacy issues, pitfalls, and myths of data mining

3.1 Understand the basic definitions and concepts of data warehousing 3.2 Understand data warehousing architectures 3.3 Describe the processes used in developing and managing data warehouses 3.4 Explain data warehousing operations 3.5 Explain the role of data warehouses in decision support

2.1 Understand the nature of data as it relates to business intelligence (BI) and analytics 2.2 Learn the methods used to make real-world data analytics ready 2.3 Describe statistical modeling and its relationship to business analytics 2.4 Learn about descriptive and inferential statistics 2.5 Define business reporting, and understand its historical evolution

5.1 Describe text mining and understand the need for text mining 5.2 Differentiate among text analytics, text mining, and data mining 5.3 Understand the different application areas for text mining 5.4 Know the process of carrying out a text mining project 5.5 Appreciate the different methods to introduce structure to text-based data 5.6 Describe sentiment analysis 5.7 Develop familiarity with popular applications of sentiment analysis 5.8 Learn the common methods for sentiment analysis 5.9 Become familiar with speech analytics as it relates to sentiment analysis

6.1 Understand the applications of prescriptive analytics techniques in combination with reporting and predictive analytics 6.2 Understand the basic concepts of analytical decision modeling 6.3 Understand the concepts of analytical models for selected decision problems, including linear programming and simulation models for decision support 6.4 Describe how spreadsheets can be used for analytical modeling and solutions 6.5 Explain the basic concepts of optimization and when to use them 6.6 Describe how to structure a linear programming model 6.7 Explain what is meant by sensitivity analysis, what-if analysis, and goal seeking 6.8 Understand the concepts and applications of different types of simulation 6.9 Understand potential applications of discrete event simulation

7.1 Learn what Big Data is and how it is changing the world of analytics 7.2 Understand the motivation for and business drivers of Big Data analytics 7.3 Become familiar with the wide range of enabling technologies for Big Data analytics 7.4 Learn about Hadoop, MapReduce, and NoSQL as they relate to Big Data analytics 7.5 Compare and contrast the complementary uses of data warehousing and Big Data technologies 7.6 Become familiar with select Big Data platforms and services 7.7 Understand the need for and appreciate the capabilities of stream analytics 7.8 Learn about the applications of stream analytics