Dissolved_Oxygen        Dissolved oxygen measurements from the Tres
                        Palacios River
Entero                  Enterococci bacteria measurements from the Tres
                        Palacios River
stat_stepribbon         Step ribbon statistic
tbr_binom               Time-Based Rolling Binomial Probability
tbr_gmean               Time-Based Rolling Geometric Mean
tbr_mean                Time-Based Rolling Mean
tbr_median              Time-Based Rolling Median
tbr_misc                Use Generic Functions with Time Windows
tbr_sd                  Time-Based Rolling Standard Deviation
tbr_sum                 Time-Based Rolling Sum
tbrf                    Time-Based Rolling Functions
tbrf-ggproto            tbrf extensions to ggplot2
