# compareCoefs

From car v2.0-20
by John Fox

##### Print estimated coefficients and their standard errors in a table for several regression models.

This simple function extracts estimates of regression parameters and their standard errors from one or more models and prints them in a table.

- Keywords

##### Usage

`compareCoefs(..., se = TRUE, print=TRUE, digits = 3)`

##### Arguments

- ...
- One or more regression-model objects. These may be of class
`lm`

,`glm`

,`nlm`

, or any other regression method for which the functions`coef`

and`vcov`

return appropriate values, or if the object - se
- If
`TRUE`

, the default, show standard errors as well as estimates, if`FALSE`

, show only estimates. - If
`TRUE`

, the defualt, the results are printed in a nice format using`printCoefmat`

. If`FALSE`

, the results are returned as a matrix - digits
- Passed to the
`printCoefmat`

function for printing the result.

##### Value

- This function is used for its side-effect of printing the result. It returns a matrix of estimates and standard errors.

##### References

Fox, J. and Weisberg, S. (2011) *An R Companion to Applied Regression*,
Second Edition, Sage.

##### Examples

```
mod1 <- lm(prestige ~ income + education, data=Duncan)
mod2 <- update(mod1, subset=-c(6,16))
mod3 <- update(mod1, . ~ . + type)
compareCoefs(mod1)
compareCoefs(mod1, mod2)
compareCoefs(mod1, mod2, mod3)
compareCoefs(mod1, mod2, se=FALSE)
```

*Documentation reproduced from package car, version 2.0-20, License: GPL (>= 2)*

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