Description

The Vocab data frame has 30,351 rows and 4 columns. The observations are respondents to U.S. General Social Surveys, 1972-2016.

Usage

Format

This data frame contains the following columns:

year

Year of the survey.

sex

Sex of the respondent, Female or Male.

education

Education, in years.

vocabulary

Vocabulary test score: number correct on a 10-word test.

Source

National Opinion Research Center General Social Survey. GSS Cumulative Datafile 1972-2016, downloaded from http://gss.norc.org/.

References

Fox, J. (2016) Applied Regression Analysis and Generalized Linear Models, Third Edition. Sage.

Fox, J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.