# ldahist

From MASS v7.3-16
by Brian Ripley

##### Histograms or Density Plots of Multiple Groups

Plot histograms or density plots of data on a single Fisher linear discriminant.

##### Usage

```
ldahist(data, g, nbins = 25, h, x0 = - h/1000, breaks,
xlim = range(breaks), ymax = 0, width,
type = c("histogram", "density", "both"),
sep = (type != "density"),
col = 5, xlab = deparse(substitute(data)), bty = "n", ...)
```

##### Arguments

- data
- vector of data. Missing values (
`NA`

s) are allowed and omitted. - g
- factor or vector giving groups, of the same length as
`data`

. - nbins
- Suggested number of bins to cover the whole range of the data.
- h
- The bin width (takes precedence over
`nbins`

). - x0
- Shift for the bins - the breaks are at
`x0 + h * (..., -1, 0, 1, ...)`

- breaks
- The set of breakpoints to be used. (Usually omitted, takes precedence
over
`h`

and`nbins`

). - xlim
- The limits for the x-axis.
- ymax
- The upper limit for the y-axis.
- width
- Bandwidth for density estimates. If missing, the Sheather-Jones selector is used for each group separately.
- type
- Type of plot.
- sep
- Whether there is a separate plot for each group, or one combined plot.
- col
- The colour number for the bar fill.
- xlab
- label for the plot x-axis. By default, this will be the name of
`data`

. - bty
- The box type for the plot - defaults to none.
- ...
- additional arguments to
`polygon`

.

##### Side Effects

Histogram and/or density plots are plotted on the current device.

##### References

Venables, W. N. and Ripley, B. D. (2002)
*Modern Applied Statistics with S.* Fourth edition. Springer.

##### See Also

*Documentation reproduced from package MASS, version 7.3-16, License: GPL-2 | GPL-3*

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