Strata characteristics

Example data frame containing information on strata characteristics.

data(beat.example)

Format

The Strata data frame contains a row per each stratum with the following variables:

STRATUM

Identifier of the stratum (numeric).

N

Stratum population size (numeric).

M1

Mean in the stratum of the first variable (numeric).

Mj

Mean in the stratum of the j-th variable (numeric).

Mn

Mean in the stratum of the last variable (numeric).

S1

Standard deviation in the stratum of the first variable (numeric).

Sj

Standard deviation in the stratum of the j-th variable (numeric).

Sn

Standard deviation in the stratum of the last variable (numeric).

CENS

flag (1 indicates a take all stratum, 0 a sampling stratum, usually 0 ) (numeric).

COST

Cost per interview in each stratum, usually 0 (numeric).

DOM1

Domain value to which the stratum belongs for the first type of domain (factor or numeric).

DOMa

Domain value to which the stratum belongs for the a-th type of domain (factor or numeric).

DOMk

Domain value to which the stratum belongs for the k-th type of domain (factor or numeric).

Details

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

Examples

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