auc_hill_tcpl           function to calculate Area Under the Curve
                        (AUC) of the hill model
demo_mc                 Example multi-concentration screening data
demo_mc_norm            Normalized example multi-concentration
                        screening data
fit_curve_tcpl          fit dose-resopnse curve using tcpl hill model
hill_model              hill mode in ToxCast tcpl package
log_abs_ec              calculate absolute EC_anything based on tcpl
                        hill model
normalize_per_plate     normalize per plate
normalize_single_assay
                        normalize per plate (from single assay data)
plot_tcpl               Plot dose-resonse curves based on the tcpl hill
                        model
plot_tcpl_minimal       Plot dose-resonse curves with minimal text
                        annotation This funciton plots dose-response
                        curve with minimal text annotation, no x and y
                        axis label, 0 borders. Useful when need to
                        present several plots together.
qc_per_plate            Quality-control metrics calculation
rank_tcpl               function to calculate ranking score, TAA,
                        med_diff, EC values based on tcpl hill model
round_df                round digits of numbers
save_plot_pdf           save plots in pdf
summary_tcpl            function to summarize curve fitting results
