search for: ltlnormfit

Displaying 1 result from an estimated 1 matches for "ltlnormfit".

2010 Apr 28
0
Truncated Lognormal Distribution
...7,23.82,234.15,625.89,192.88,29.53,109.99, 80.53, 46.85,82.69,231.53,75.38,217.52,85.29,182.18) ltlnorm <- function(x, meanlog, sdlog, log=FALSE) { dlnorm(x, meanlog, sdlog, log = FALSE) / plnorm(1, meanlog, sdlog, lower.tail = TRUE, log.p = FALSE) } meanlog = mean(log(x)) sdlog = sd(log(x)) ltlnormfit <- fitdistr(x,ltlnorm, start=list(meanlog,sdlog)) I get following error - Error in dlnorm(x, meanlog, sdlog, log = FALSE) : element 3 is empty;    the part of the args list of '.Internal' being evaluated was:    (x, meanlog, sdlog, log) Please guide me as to (1) How do I overcome...