Nothing
library("matrixStats")
fcns <- list(
weightedVar = weightedVar,
weightedSd = weightedSd,
weightedMad = weightedMad
)
for (name in names(fcns)) {
cat(sprintf("%s()...\n", name))
fcn <- fcns[[name]]
for (mode in c("integer", "double")) {
cat("mode: ", mode, "\n", sep = "")
n <- 15L
x <- runif(n, min = -5, max = 5)
storage.mode(x) <- mode
str(x)
for (add_na in c(FALSE, TRUE)) {
cat("add_na: ", add_na, "\n", sep = "")
if (add_na) {
x[c(5, 7)] <- NA
}
str(x)
for (na.rm in c(FALSE, TRUE)) {
cat("na.rm: ", na.rm, "\n", sep = "")
cat("Weights are not specified (all are 1)\n")
m1 <- fcn(x, na.rm = na.rm)
str(list(m1 = m1))
cat("All weights are 1\n")
w <- rep(1, times = n)
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("First weight is 5\n")
# Pull the mean towards zero
w[1] <- 5
str(w)
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("All weights are 0\n")
# All weights set to zero
w <- rep(0, times = n)
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("First weight is 8.5\n")
# Put even more weight on the zero
w[1] <- 8.5
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("First weight is Inf\n")
# All weight on the first value
w[1] <- Inf
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("Last weight is Inf\n")
# All weight on the last value
w[1] <- 1
w[n] <- Inf
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
cat("Last weight is NA\n")
# All weight on the last value
w[1] <- 1
w[n] <- NA_real_
m1 <- fcn(x, w, na.rm = na.rm)
str(list(m1 = m1))
} # for (na.rm ...)
} # for (add_na ...)
} # for (mode ...)
cat(sprintf("%s()...DONE\n", name))
} # for (name ...)
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