IC_OR_glm               OR and their confidence intervals for logistic
                        regressions
IC_RR_coxph             RR and their confidence intervals for Cox
                        models
compare                 Comparing two databases assumed to be identical
convert_factor          Convert variables of a data frame in factors
convert_zero_NA         Convert 0s in NA
cut_quanti              Cut a quantitative variable in n equal parts
desc                    Making descriptive statistics
hist_boxplot            Plot a histogram with a boxplot below
multi.table             Multi cross table
packHV-package          A few useful functions for statisticians
plot_km                 Kaplan-Meier plot with number of subjects at
                        risk below
plot_mm                 Spaghetti plot and plot of the mean at each
                        time
plot_multi.table        Plot a multi cross table
plot_reg                Plot points with the corresponding linear
                        regression line
