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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