SSbell                  self start for a bell-shaped curve
SSbg4rp                 self start for the reparameterized Beta growth
                        function with four parameters
SSbgf                   self start for Beta Growth Function
SSbgf4                  self start for Beta growth function with four
                        parameters
SSbgrp                  self start for the reparameterized Beta growth
                        function
SSblin                  self start for a bilinear Function
SSdlf                   self start for Declining Logistic Function
SSexpf                  self start for an exponential function
SSexpfp                 self start for an exponential-plateau function
SSlinp                  self start for linear-plateau function
SSnrh                   self start for non-rectangualr hyperbola
                        (photosynthesis)
SSpexpf                 self start for plateau-exponential function
SSplin                  self start for plateau-linear function
SSpquad                 self start for plateau-quadratic function
SSprofd                 self start for profile decay function
SSquadp                 self start for quadratic-plateau function
SSratio                 self start for a rational curve
SSricker                self start for Ricker Function
barley                  Data from a paper by Arild Vold on response of
                        barley to nitrogen fertilizer
lfmc                    Live fuel moisture content
nlsLMList               Create a list of nls objects with the option of
                        using nlsLM in addition to nls
nlsLMList.formula       Formula method for nls 'LM' list method
sm                      Sorghum and Maize growth in Greece
swpg                    Simulated data based on obseved data presented
                        in Sinclair (1986) - Fig. 1A
