Description Usage Arguments Details Value See Also Examples
Empircal distribution function of left truncated data with known distribution.
1 |
x |
a numerical vector of data values |
distn |
character string naming the distribution function |
parm |
list of distribution parameters |
H |
a treshold value |
edf
is a version of ecdf
allowing left truncated data.
If distn
is not assigned all other arguments except x
are ignored and the result is
exactly the same as of ecdf
.
A function of class "stepfun".
1 2 3 4 5 6 7 8 9 10 11 12 | set.seed(123)
treshold <- 10
xc <- rlnorm(30, meanlog = 2, sdlog = 1) # complete sample
xt <- xc[xc >= treshold] # truncated sample
# the results are identical:
plot(edf(xc))
plot(ecdf(xc))
# considering truncated samples:
plot(edf(xt)) # wrong plot
plot(edf(xt, "plnorm", list(meanlog = 2, sdlog = 1), H = 10))
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