Information on Primary Stage Units (PSUs) stratification

Example data frame containing information on Primary Stage Units (PSUs) stratification.

data(beat.example)

Format

The PSU_strat data frame contains a row for each Primary Stage Units (PSUs) with the following variables:

STRATUM

Identifier of the stratum (numeric)

PSU_MOS

Measure of size of the primary stage unit (numeric)

PSU_ID

Identifier of the primary stage unit (numeric)

Details

Note: the names of the variables must be the ones indicated above.

Examples

if (FALSE) { # \dontrun{
# Load example data
data(beat.example)
PSU_strat
str(PSU_strat)
} # }