BC_model                Analysis: Logistic regression Brain-Cousens
                        hormesis models
CD_model                Analysis: Logistic regression
                        Cedergreen-Ritz-Streibig model
LL_model                Analysis: Logistic regression
LM_model                Analysis: Linear regression graph
N_model                 Analysis: Graph for not significant trend
aristolochia            dataset: aristolochia
loess_model             Analysis: loess regression
multicurve              Merge multiple curves into a single graph
normal_model            Analysis: Normal model
piecewise_model         Analysis: Piecewise regression
quali_model             Analysis: generalized linear models for factor
                        qualitative
