The USPop data frame has 22 rows and 3 columns. This is a decennial time-series, from 1790 to 2000.
This data frame contains the following columns:
census year.
Population in millions.
Source
U.S.~Census Bureau: http://www.census-charts.com/Population/pop-us-1790-2000.html, downloaded 1 May 2008.
References
Fox, J. (2016) Applied Regression Analysis and Generalized Linear Models, Third Edition. Sage.
Use the following R code to directly access this dataset in R.