№ files_lp_4_process_1_37015
Step-by-step lesson on including categorical variables in multiple regression models, demonstrating coding of binary and multi-level predictors using the Salaries dataset, with exercises for student practice.
Year: 2008-2009
Region / Institution: United States, specific college
Topic: Statistics, Multiple Regression, Categorical Variables
Document Type: Educational Activity / Lesson
Author: Not specified
Target Audience: Students in statistics or data analysis courses
Dataset: Salaries dataset from R car package
Variables Covered: rank, discipline, yrs.since.phd, yrs.service, sex, salary
Methodology: Use of indicator (dummy) variables in regression
Examples Included: Binary categorical predictor, multiple category predictor
Practical Exercises: Regression modeling and interpretation exercises
Software / Tools: R programming language, ggplot2, car package
Price: 8 / 10 USD
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