# OneWayVarPlot

From HH v3.1-42
by Richard Heiberger

##### 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.

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.

- Keywords
- dplot

##### 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

```
# NOT RUN {
data(batch)
OneWayVarPlot(Calcium ~ Batch, data = batch)
# }
```

*Documentation reproduced from package HH, version 3.1-42, License: GPL (>= 2)*

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