DatPopM: Database of auxiliary information for the whole population of...

Description Usage Format Details See Also Examples

Description

This dataset contains population information about the auxiliary variables of the population of students

Usage

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Format

Ses

An ordinal factor with three categories (low, middle and high) indicating the socio-economical status of the student.

Read

A number indicating the mark of the student in a reading test.

Write

A number indicating the mark of the student in a writing test.

Domain

A string indicating the domain each student belongs to. Possible values are "a" if student belongs to domain a, "b" if student belongs to domain b or "ab" if student belongs to overlap domain.

Details

The population size is N = 10000.

See Also

DatMA DatMB

Examples

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data(DatPopM)
attach(DatPopM)
#Let perform a brief descriptive analysis for the three auxiliary variables
summary (Ses)
summary(Read)
summary(Write)

Frames2 documentation built on May 2, 2019, 8:13 a.m.