rcompanion (version 1.0.1)

groupwiseHuber: Groupwise Huber M-estimators and confidence intervals

Description

Calculates Huber M-estimator and confidence intervals for groups.

Usage

groupwiseHuber(data, group, var, conf.level = 0.95, conf.type = "wald", ...)

Arguments

data

The data frame to use.

group

The grouping variable to use. The name is in double quotes. Multiple names are listed as a vector. (See example.)

var

The measurement variable to use. The name is in double quotes.

conf.level

The confidence interval to use.

conf.type

The type of confidence interval to use. Can be "wald" or "boot". See HuberM for details.

...

Other arguments passed to the HuberM function.

Value

A data frame of requested statistics by group.

Details

A wrapper for the HuberM function to allow easy output for multiple groups.

References

http://rcompanion.org/rcompanion/d_08a.html

See Also

groupwiseMean, groupwiseMedian groupwiseGeometric

Examples

data(Catbus)
groupwiseHuber(data      = Catbus,
               var       = "Steps",
               group     = c("Teacher", "Sex"),
               conf.type = "wald")