26 lines
784 B
R
26 lines
784 B
R
rvector <- function(n, mode = c("logical", "double", "integer"),
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range = c(-100, +100), na_prob = 0) {
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mode <- match.arg(mode)
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if (mode == "logical") {
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x <- sample(c(FALSE, TRUE), size = n, replace = TRUE)
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} else {
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x <- runif(n, min = range[1], max = range[2])
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}
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storage.mode(x) <- mode
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if (na_prob > 0) x[sample(n, size = na_prob * n)] <- NA
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x
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} # rvector()
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rvectors <- function(scale = 10, seed = 1, ...) {
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set.seed(seed)
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data <- list()
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data[[1]] <- rvector(n = scale * 1e2, ...)
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data[[2]] <- rvector(n = scale * 1e3, ...)
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data[[3]] <- rvector(n = scale * 1e4, ...)
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data[[4]] <- rvector(n = scale * 1e5, ...)
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data[[5]] <- rvector(n = scale * 1e6, ...)
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names(data) <- sprintf("n = %d", sapply(data, FUN = length))
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data
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}
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