The errata for A Gentle Introduction to Stata, Fourth Edition are provided below. Click here for an explanation of how to read an erratum. Click here to learn how to determine the printing number of a book.
|(all)||Chapter 7, p. 178, fifth line of second paragraph|
|... power twomeans 35 37, sd1(10) sd2(10) power(0.80) ...||... power twomeans 35 37, sd1(10) sd2(15) power(0.80) ...|
|(all)||Chapter 9, p. 260, first line of second paragraph|
|... with 23 participants ...||... with 53 participants ...|
|(all)||Chapter 10, p. 269–270|
|The variable env_con (environmental concern) was accidentally reverse coded in ops2004.dta. Thus the variable has a higher score for people who have less environmental concern. This makes the coefficients on page 270 have a sign that is opposite of what they should have. The remaining portion of the chapter is correct in terms of procedures and Stata code. The interpretation is correct if the coding error is ignored and we assume that higher values of env_con correspond to more environmental concern.|
|(all)||Chapter 14, p. 440, question 1|
Using gss2002_chapter10.dta, fit the model using all the variables except for polviews.
You are interested in the socioeconomic status (sei) of adult children. You
have the following predictors: male, mother's education (maeduc),
father's education (paeduc), hours worked last week (hrs1), and education (educ).
Use gss2002_chapter10.dta, and recode the variable, sex, as
male (1 male; 0 female).