StatCharrms (version 0.90.92)

getLineContrast: Generate contrasts

Description

Generates contrasts for testing monotonicity based on the OECD guidance for statistics.

Usage

getLineContrast(Data, Treatment)
getQuadContrast(Data, Treatment)

Arguments

Data

A data set.

Treatment

The name (as a string) of the treatment variable.

Value

Returns a numeric vector of contrasts.

References

OECD SERIES ON TESTING AND ASSESSMENT Number 54