Description Usage Format References
Population of black and gray squares and circles.
1 |
This data frame contains the following columns:
identification number for object
shape of object (square or circle)
color of object (gray or black)
area of object (cm^2)
= 1 if object can be reached through convenience sample
= 0 otherwise
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.
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