PhenStat (version 2.6.0)

modelFormula: Method "modelFormula"

Description

Creates formula for the start Mixed Model based on equation and number of sexes in the data.

Usage

modelFormula(equation, numberofsexes, depVariable)

Arguments

equation

a character string defining the equation to use (withWeight or withoutWeight); mandatory argument

numberofsexes

a numerical value for levels of sex in the dataset (1 or 2); mandatory argument

depVariable

a character string defining the dependent variable of interest; mandatory argument

Value

Returns formula to use.

References

Karp N, Melvin D, Sanger Mouse Genetics Project, Mott R (2012): Robust and Sensitive Analysis of Mouse Knockout Phenotypes. PLoS ONE 7(12): e52410. doi:10.1371/journal.pone.0052410 West B, Welch K, Galecki A (2007): Linear Mixed Models: A practical guide using statistical software New York: Chapman & Hall/CRC 353 p.

See Also

PhenTestResult

Examples

    formula <- modelFormula(equation="withWeight",
            numberofsexes=2, 
            depVariable="Lean.Mass")