Section 2.1 Data and Data Type 数据与数据类型 Section 2.2 次数分布表 Section 2.3 次数分布图 Section 2.4 平均数 Section 2.5 变异数

1 Basic Operations 2 Data Handling 3 Plotting Data 4 Start Programming 5 A Better Sound 6 Create and Proccess Images 7 Data Analysis 8 The Charm of Graphical User Interface 9 Psychtoolbox: Video 10 Psychtoolbox: Sound, Keyboard and Mouse

 To develop tables and charts for categorical data  To develop tables and charts for numerical data  The principles of properly presenting graphs

Why statistics is important How statistics is used in business The sources of data used in business The types of data used in business The key terms The basics of Microsoft Excel

Time series vs Cross sectional e Time series data has a temporal ordering unlike cross-section data Will need to alter some of our assumptions to take into account that we no longer have a random sample of individuals Instead. we have one realization of a stochastic(i.e. random) process Economics 20- Prof anderson

Why study econometrics? Rare in economics(and many other areas without labs! ) to have experimental data Need to use nonexperimental. or observational data to make inferences eImportant to be able to apply economic theory to real world data Economics 20- Prof. Anderson

• Concepts and Terminology • Analog and Digital Data Transmission • Transmission Impairments • Channel Capacity

MATLAB® is a high-level language that includes matrix-based data structures, its own internal data types, an extensive catalog of functions, an environment in which to develop your own functions and scripts, the ability to import and export to many types of data files, object-oriented programming capabilities, and interfaces to external technologies such as COM, Java, programs written in C and Fortran, and serial port devices

主讲内容：Data Pump基础知识、使用Data Pump导出表空间、数据库、数据表等； 一．认识Data Pump工具 二．准备工作 三．导出数据 四．导入数据

Purpose of speech corpora Factors to be considered in data creation Data creation Data transcription Learning from corpora Chinese Corpus Consortium (CCC)