SSexp2P                 Self-Starting Nls 'exp2P' Regression Model
SSexp3P                 Self-Starting Nls 'exp3P' Regression Model
SSpower2P               Self-Starting Nls 'power2P' Regression Model
SSpower3P               Self-Starting Nls 'power3P' Regression Model
trendline               Add Trendline and Show Equation to Plot
trendline_summary       Summarized Results of Each Regression Model
