# panel.car

From car v1.0-14
by John Fox

##### Panel Function Coplots

a panel function for use with `coplot`

that plots points, a lowess line,
and a regression line.

- Keywords
- aplot

##### Usage

```
panel.car(x, y, col, pch, cex=1, span=0.5, lwd=2,
regression.line=lm, lowess.line=TRUE, ...)
```

##### Arguments

- x
- vector giving horizontal coordinates.
- y
- vector giving vertical coordinates.
- col
- point color.
- pch
- plotting character for points.
- cex
- character expansion factor for points.
- span
- span for lowess smoother.
- lwd
- line width, default is
`2`

. - regression.line
- function to compute coefficients of regression line,
or
`FALSE`

for no line. - lowess.line
- if
`TRUE`

plot lowess smooth. - ...
- other arguments to pass to functions
`lines`

and`reg.line`

.

##### Value

`NULL`

. This function is used for its side effect: producing a panel in a coplot.

##### See Also

##### Examples

```
data(Prestige)
coplot(prestige~income|education, panel=panel.car,
col="red", data=Prestige)
```

*Documentation reproduced from package car, version 1.0-14, License: GPL version 2 or newer*

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