Announcements • Textbooks are here! • My office hours: (Old Chemistry 216) – Wednesday 3-5 pm – Friday 1-3pm • Lecture slides, assignments, labs, etc. will be posted at http://stat.duke.edu/courses/Spring12/sta101.2/ • Complete lecture slides to be posted after each class The Big Picture Population Sampling Sample Statistical Inference Exploratory Data Analysis Class Survey Data Data from both STAT 101 classes and STAT ...
OUTLINE • This paper is divided into three parts namely: Introduction Measurement and Scaling Data preparation Data Analysis and Interpretation GOALS AND OBJECTIVES At the end of this Workshop, you should learn about: • Dynamics of Measurement and Scaling • Types of Variables • Procedures for Data Analysis • Interpretation of Results 1. INTRODUCTION Information and communication technology (ICT) has contributed immensely to social and ...
Outline • Data Types • Data Analysis • Positive vs Negative results • Examples Outco mes You will be able to: • Distinguish between Quantities and Qualitative data. • Dealing with the three Cs: Coding, Categorizing, and Concepts • Dealing with the negative results similar to positive one. Have researchers really discovered a ‘new miracle drug to cure nine in 10 cancers’? Data ...
Variables Individuals are the objects described by a set of data; may be people, animals or things Variable is any characteristic of an individual Statistical Data What purpose do the data have? Individuals – Describe? How many? Variables – How many? Definition? Unit of measurement? Types of Variables Categorical variable places an individual into one of several groups or categories Quantitative variable takes numerical values ...
:OUTLINE Introduction. 3-1 Measures of Central Tendency. 3-2 Measures of Variation. 3-3 Measures of Position. 3-4 Exploratory Data Analysis 3-1 MEASURES OF CENTRAL TENDENCY: Mean, Median, Mode, Midrange, Weighted Mean. :Statistic Is a characteristic or measure obtained by using all the data values from a .sample :Parameter Is a characteristic or measure obtained by using all the data values from a specific .population :THE MEAN ...
Marketing Research The systematic design, collection, and analysis, and reporting of data relevant to a specific marketing situation facing an organization. Marketing Research Process 1. Defining the problem and research objectives 2. Developing the research plan for collecting information 3. Implementing the research plan— collecting and analyzing the data 4. Interpreting and reporting the findings 1. Defining the Problem and Research Objectives What information is ...
September 10, 2020 News 1. Online Credit: Groups C, D and E will present their solutions (prepare a slide (or two)) during the Tu.,Sept. 15 lecture. 2. Start working on Task1 of ProblemSet1, if you have not already started. 3. The lectures on Sept. 10+15+17 will discuss a mixture of topics: EDA, Classification, Kritik&Peer Evaluation and ProblemSet1 4. Today’s mode of ...
You will be able to know, explain and use the following vocabulary: Individual Count Variable Percent Categorical Variable Bar Graph Quantitative Variable Pie Chart Distribution Dotplot Exploratory Data Stemplot Analysis Center, Spread, Shape Outlier Here are some definitions: Individual : Objects described by a set of data. They may be people, animals, things, etc. Variable : Any characteristic of an individual. The variable will likely ...
Also adapted from sources Tan, Steinbach, Kumar (TSK) Book: Introduction to Data Mining Weka Book: Witten and Frank (WF): Data Mining Han and Kamber (HK Book): Data Mining BI Book is denoted as “BI Chapter #...” 2 BI1.4 Business Intelligence Architectures • Data Sources • An example – Gather and integrate data – Building a telecom – Challenges customer retention model &bull ...
Survey Research Typical features of professional survey research: – Sejumlah sampel yang representatif melalui nonprobability sampling – Systematic procedures to ask and record – Answers numerically coded and analyzed with the aid of statistical software. Systematic procedures (1) Survai: – Wawancara – Self-administered questionnaire – Kombinasi Administrasi perlu standar agar reliabel Systematic procedures (2) Tergantung tujuan: – Unstructured interview. The objectives very general, diskusi lebar ...
Meaning Research is an endeavour to discover answers to intellectual and practical problems through the application of scientific method. “Research is a systematized effort to gain new knowledge”. -Redman and Mory. Research is the systematic process of collecting and analyzing information (data) in order to increase our understanding of the phenomenon about which we are concerned or interested. What is Research? • Research is ...
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