NADA (version 1.6-1.1)

censtats: Produces summary statistics using ROS, MLE, and K-M methods.

Description

A convenience function that produces a comparative table of summary statistics obtained using the cenros, cenmle and cenfit routines. These methods are, Regression on Order Statistics (ROS), Maximum Likelihood Estimation (MLE), and Kaplan-Meier (K-M).

Usage

censtats(obs, censored)

Arguments

obs

A numeric vector of observations.

censored

A logical vector indicating TRUE where an observation in x is censored (a less-than value) and FALSE otherwise.

Value

A dataframe with the summary statistics.

Details

If the data do not fulfill the criteria for the application of any method no summary statistics will be produced.

References

Helsel, Dennis R. (2005). Nondectects and Data Analysis; Statistics for censored environmental data. John Wiley and Sons, USA, NJ.

Examples

# NOT RUN {
    data(DFe)
    with(DFe, censtats(Summer, SummerCen))
# }