leverage: Get leverage values

Description Usage Arguments Value Author(s) See Also Examples

Description

Extracts the leverage component of a fit object using the na.action component if available

Usage

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leverage(fit)

Arguments

fit

an object containing a component fit$leverage and possibly a component fit$na.action

Value

The vector fit$leverage, possibly expanded by missing values if fit$na.action has class na.replace

Author(s)

Werner A. Stahel, ETH Zurich

See Also

influence

Examples

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data(d.blast)
r.blast <-
  regr(log10(tremor)~location+log10(distance)+log10(charge), data=d.blast)
t.lev <- leverage(r.blast)
length(t.lev)
dim(d.blast) ## number of observations is 388
length(r.blast$leverage) ## 362
  ## only observations without missings occur in $leverage

regr0 documentation built on May 2, 2019, 4:52 p.m.

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