div_add_median_label    Adds a column with new labels (H)igh and (L)
                        for a given colName (within a given grade and
                        jobID)
div_ci_median           Function to calculate the confidence interval
                        for the median
div_conf_colour         return a colour code given a number of stars
                        for the confidence level of bias
div_fake_team           Generate randomly team-data
div_gauge_plot          Uses ggplot2 to produce a gauge plot in RAG
                        colour
div_parse_paygap        Prepare the paygap matrix to be published in
                        LaTeX
div_paygap              Function to calculate the paygap as a ratio.
div_plot_paygap_distribution
                        Produce a histogram and normal distribution
div_round_paygap        Rounds all numbers in the paygap data-frame
diversity               Calculate the diversity index
print.paygap            print the paygap object in the terminal
summary.paygap          Title
