| statepps {SDAResources} | R Documentation |
statepps data
Description
Number of counties (or county equivalents; Alaska has boroughs, Louisiana has parishes, and some states have independent cities), population estimates for 2019, land area, and water area for the 50 states plus the District of Columbia. Total area for a state can be calculated by summing land area and water area. Source: Population estimates are from U.S. Census Bureau (2019). Land and water areas are from U.S. Census Bureau (2012).
Usage
data(statepps)
Format
This data frame contains the following columns:
- state:
state name (character variable, length 20)
- counties:
number of counties or county equivalents
- pop2019:
population of state, 2019
- landarea:
land area of state (square kilometers)
- waterarea:
water area of state (square kilometers)
References
Lohr (2021), Sampling: Design and Analysis, 3rd Edition. Boca Raton, FL: CRC Press.
Lu and Lohr (2021), R Companion for Sampling: Design and Analysis, 3rd Edition, 1st Edition. Boca Raton, FL: CRC Press.