MAE                     Mean Absolute Error
MAPE                    Mean Absolute Percentage Error
MPE                     Mean Percentage Error
MSE                     Mean Squared Error
RMSE                    Root Mean Squared Error
cdf                     Cumulative Distribution Function
data_cdf                Data Cumulative Distribution Function
ddispl                  Discrete Powerlaw Probability Mass Function
displo                  Discrete Powerlaw Object
fastsum                 Fast Sum implemented in Cpp.
getXmin                 Lower bound estimator for discrete powerlaw
                        distributions
getXmin2                Lower bound estimator for discrete powerlaw
                        distributions
inspect                 Inspect Discrete Powerlaw Distributions
len                     Length of a Vector
moby                    Moby Dick word count
pdispl                  Discrete Powerlaw Distribution Function
plotfit                 Plot Fit of Discrete Powerlaw Distributions
plothill                Hill plot
plotmultifit            Plot Multiple Fit of Discrete Powerlaw
                        Distributions
plotols                 Plot OLS Fit of Discrete Powerlaw Distributions
pmf                     Probability Mass Function
rdispl                  Discrete Powerlaw Random Generator
std                     Unity-based Normalization
