classes {SDAResources}

classes data

Description

Population sizes for 15 classes, used in Chapter 6 of SDA to illustrate unequal-probability sampling.

Usage

data(classes)

Format

This data frame contains the following columns:

class:

class ID number

class_size:

number of students in class

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.