Support function for computing statistics for left-censored data.
sdlFill(x, method = "fill", alpha = 0.4)
the data to estimate, Missing values permitted and ignored. Must be an object of class "lcens," a numeric vector, or the output from censpp.
the method to use, either "fill" or "log fill"
the offset for plotting postion (not used, required for other methods).
A list containing the mean and standard deviation, filled in values for the censored values, and the maximum censor level.
Gleit, A., 1985, Estimation for small normal data sets with detection limits: Environmental Science and Technology, v. 19, no. 12, p. 1201--1206.