wtd.anova {weights} | R Documentation |
Weighted one-way ANOVA
Description
wtd.anova
performs a weighted analysis of variance across groups using a continuous response variable and a grouping factor.
Usage
wtd.anova(response, group, weight = NULL)
Arguments
response |
Numeric vector of outcome values. |
group |
Factor indicating group membership. |
weight |
Optional numeric vector of weights. If |
Value
A data frame with rows for "Between" and "Within" group variance and columns for SS, df, MS, F statistic, and p-value.
Author(s)
Josh Pasek
See Also
Examples
set.seed(1)
group <- rep(c("A", "B", "C"), each = 10)
x <- c(rnorm(10), rnorm(10, mean = 1), rnorm(10, mean = 2))
w <- runif(30, 0.5, 2)
wtd.anova(x, group, weight = w)
[Package weights version 1.1.2 Index]