HH (version 3.1-30)

OneWayVarPlot: Displays a three-panel bwplot of the data by group, of the group means, and of the entire dataset. This is an approximate visualization of the Mean Square lines from the ANOVA table for a one-way ANOVA model.

Description

Displays a three-panel bwplot of the data by group, of the group means, and of the entire dataset. This is an approximate visualization of the Mean Square lines from the ANOVA table for a one-way ANOVA model. The groups are centered using medians by default. Means, and anything else, is an option.

Usage

OneWayVarPlot(x, data, ...,
              main="Variability of Groups, Centers of Groups, and all Data",
              centerFunctionName="median",
              center=TRUE)

Arguments

x
Model formula with one response variable and one factor.
data
data.frame
...
Other arguments to be forwarded to the panel function.
main
main title for graph.
centerFunctionName
Name of centering function, with "median" as the default. "mean" is another option.
center
Logical. If TRUE, the default, the bwplots are centered by subtracting their center (by default the median). If FALSE the bwplots are plotted at their observed values.

Value

  • Three-panel trellis object.

Examples

Run this code
data(batch)
OneWayVarPlot(Calcium ~ Batch, data = batch)

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