Topic 1: Class Logistics

Outline Class Web site Class policies Overview References Software Background Reading

Class website Course syllabus Information, corrections, updates Homework assignments Exam schedule / Old exams Lecture notes Sample SAS programs Data sets from textbook

Class policies There will be 43 classes Grades –27.5% Exam I (≈ Oct 15, class 23) –27.5% Exam II (Finals week) –35% Homework –10% Project

Class policies Exams are –open book –open notes –will need a calculator with a square root function –old exams available on website –55% of grade

Class policies Projects –will be presented in classes (Dec 3 rd, 5 th, and 7 th ) –will be done in teams of 5-8 students –should be understood by someone who has not taken this course –see Web site for more information –10% of grade

Class policies Homework assignments –roughly one per week –will be due beginning of class Wed –assignments posted on the Web site –this should be individual work –guidelines for homework in syllabus –35% of grade

Class policies Communication –Office hours: Mon 1:30 – 3:00 Tue 2:30 – 3:30 – –announcements posted on web page –will also have a class list –try piazza.com

Overview We will cover simple and multiple regression, one and two-way analysis of variance and analysis of covariance. The emphasis will be placed on selected practical tools using SAS rather than on the mathematical manipulations. Want to understand the theory so that we can apply it appropriately.

References Text: Applied Linear Statistical Models, (5 th ed.) by Kutner, Nachtsheim, Neter, and Li. SAS System for Regression (2 nd ed.) by Freund and Little. SAS/STAT User’s Guide Vol. 1 and 2. SAS System for Elementary Analysis by Schlotzhauer.

Software Focus on SAS but other software may be used for HW and project Exams and HW may include SAS output Availability of SAS –Loaner program (Young Hall 5 th Floor) –All ITaP labs –Software Remote (itap.purdue.edu) SAS Version 9.3 installed this semester

Getting Started/Help SAS handout on web page Will also provide template programs used in each topic SAS evening help session Wed 7-9 in BRNG B275

Getting Started/Help The Statistical Consulting Service provides drop-in software assistance from 10-4 M-F. Located in MATH G175. Phone number is

Using SAS Help menu To get syntax for a procedure 1.Click on 'Help' 2.then ‘SAS Help and Documentation’ 3.then ‘SAS Products’ 4.then ‘SAS/STAT’ 5.then ‘SAS/STAT 9.3 User’s Guide’ 6.then ‘The REG procedure’ The procedure syntax should appear

Background Reading Read Appendix A. –A.1 : summation operator Chapter 1 –1.1 : relations between variables –1.2 : regression models and their uses –1.4 : data for regression analysis –1.5 : steps of regression analysis