BoxCox                  One-parameter Box-Cox transformation.
addGrid                 Add a grid to an existing plot.
as.rgb                  Convert color-names or RGB-code to possibly
                        semi-transparent RGB-code.
ashDensity              Estimate density of distribution employing the
                        R package "ash" using R-wrapper function.
calculateCostHist       Calculate costs for a specific combinations of
                        lambda, muVec and sigmaVec.
estimateStartValues     Helper function to estimate search regions for
                        mu and sigma and to get the region around main
                        peak 'ab'
findPeaksAndValleys     Find the index of the peaks and valleys of the
                        density estimation.
findRI                  Function to estimate reference intervals for a
                        single population
generateHistData        Generate list with histogram data.
getRI                   Method to calculate reference intervals
                        (percentiles) for objects of class 'RWDRI'
getSumForPArea          Helper function to calculate the amount of
                        observed and estimated data points within
                        specified regions around the peak.
invBoxCox               Inverse of the one-parameter Box-Cox
                        transformation.
optimizeGrid            Helper function for grid search for mu and
                        sigma.
plot.RWDRI              Standard plot method for objects of class
                        'RWDRI'
pnormApprox             Approximate calculation of CDF of normal
                        distribution.
print.RWDRI             Standard print method for objects of class
                        'RWDRI'
testParam               Helper function to find optimal parameters
                        lambda, mu and sigma.
testcase1               Simulated Testcase 1.
testcase2               Simulated Testcase 2.
testcase3               Simulated Testcase 3.
testcase4               Simulated Testcase 4.
