k3.linear
From boot v1.3-25
by Brian Ripley
Linear Skewness Estimate
Estimates the skewness of a statistic from its empirical influence values.
- Keywords
- nonparametric
Usage
k3.linear(L, strata = NULL)
Arguments
- L
Vector of the empirical influence values of a statistic. These will usually be calculated by a call to
empinf
.- strata
A numeric vector or factor specifying which observations (and hence which components of
L
) come from which strata.
Value
The skewness estimate calculated from L
.
References
Davison, A. C. and Hinkley, D. V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.
See Also
Examples
# NOT RUN {
# To estimate the skewness of the ratio of means for the city data.
ratio <- function(d, w) sum(d$x * w)/sum(d$u * w)
k3.linear(empinf(data = city, statistic = ratio))
# }
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