Created
May 5, 2020 09:55
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Single variance estimate
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| # When we calculate variance (SD) from single observation (one group), | |
| # how good/bad estimate this can be of the underlying SD? | |
| B <- 100 | |
| n <- 6 | |
| m <- 50 | |
| s <- 15 | |
| estim_sd <- numeric(B) | |
| set.seed(1010) | |
| for (i in 1:B) { | |
| x <- rnorm(n, mean = m, sd = s) | |
| estim_sd[i] <- sd(x) | |
| } | |
| hist(estim_sd, breaks = seq(0, 40, by = 2)) |
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