PPT-Multiple Regression Analysis with Qualitative Information

Dummy variables as an independent variable Dummy variable trap Importance of the reference group Using dummy variables to test for equal means Dummy variables for Multiple categories Ordinal variables. Professor William Greene. Stern School of Business. IOMS Department. Department of Economics. Regression and Forecasting Models . Part . 7 . – . Multiple Regression. Analysis. Model Assumptions. Austin Troy. NR 245. Based primarily on material accessed from Garson, G. David 2010. . Multiple Regression. . Statnotes. : Topics in Multivariate Analysis.. http://faculty.chass.ncsu.edu/garson/PA765/statnote.htm. 1. 3.6 Hidden Extrapolation in Multiple Regression. In prediction, exercise care about potentially extrapolating beyond the region containing the original observations.. Figure 3.10. An example of extrapolation in multiple regression.. Intro to PS Research Methods. Announcements. Final on . May 13. , 2 pm. Homework in on . Friday. (or before). Final homework out . Wednesday 21 . (probably). Overview. we often have theories involving . David M. Levine, Baruch College—CUNY. Kathryn A. Szabat, La Salle University. David F. Stephan, Two Bridges Instructional Technology. analytics.davidlevinestatistics.com. DSI . MSMESB session, November 16, 2013. 1. 2. 3. Outline. Jinmiao. Fu—Introduction and History . Ning. Ma—Establish and Fitting of the model. Ruoyu. Zhou—Multiple Regression Model in Matrix Notation. Dawei. . Xu. and Yuan Shang—Statistical Inference for Multiple Regression. Example Data Set. Y. X. 5. 20. 6. 23. 7. 27. 8. 33. 8. 31. 9. 35. 10. 43. 5. 19. 6. 25. 7. 29. 8. 31. Estimate two models. Model with y-intercept. Y = a b * X. Regression Statistics. Multiple R. 0.984. 9-. 1. 2. Objectives. Understand the basic types of data. Conduct basic statistical analyses in Excel. Generate descriptive statistics and other analyses using the Analysis . ToolPak. Use regression analysis to predict future values. Mirella Longo. On behalf of the PACT team. Presentation outline. Rationale to the PACT study. Qualitative analysis methods used. Results. Background and study aim. Patients with advanced lung cancer may inappropriately receive systemic anti-cancer therapy (SACT) close to end of life . Copyright © Cengage Learning. All rights reserved. 13 Nonlinear and Multiple Regression Copyright © Cengage Learning. All rights reserved. 13.4 Multiple Regression Analysis Multiple Regression Analysis What. is . what. ? . Regression: One variable is considered dependent on the other(s). Correlation: No variables are considered dependent on the other(s). Multiple regression: More than one independent variable. S. ocial . S. ciences. Multiple Regression. Department . of Psychology. California State University Northridge. www.csun.edu. /. plunk. Multiple Regression. Multiple . regression predicts/explains . variance in a criterion (dependent) variable from the values of the predictor (independent) variables. . DR AKPOR. DATA ANALYSIS. The purpose of data analysis is to organised, provide structure to and elicit meaning from the research data. Qualitative analysis is very tasking and requires insight, ingenuity, creativity, conceptual sensitivity and sheer hard work (. Materials for this lecture. Demo. Lecture . 2 . Multiple Regression.XLS. Read Chapter 15 Pages 8-9 . Read all of Chapter 16’s Section 13. Structural Variation. Variables you want to forecast are often dependent on other variables.