Description Usage Arguments Details Value Author(s) Examples
Given a particular cutoff (x
), what is the mean of the new truncated normal?
1 | normalMean(cutoff, mean = 0, sd = 1)
|
cutoff |
The cutoff value for the truncated normal |
mean |
The mean of the non-truncated distribution (defaults to zero) |
sd |
The sd of the non-truncated distribution (defaults to 1) |
The mean of a pdf (f(x)) is computed by integrating the function x*f(x) from -Inf to Inf. To compute
a truncated normal, the function remains the same, but the limits change (from -Inf to cutoff
).
the mean of the tuncated normal distribution
Dustin Fife
1 2 3 4 5 | ### compute mean of a distribution cutoff at mean
normalMean(0, 0, 1)
### compare to simulated data
x = rnorm(1000000, 0, 1)
mean(x[x>0])
|
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