@interface AXMDataRegressionModelLinear : AXMDataRegressionModel @property (readonly, nonatomic) double rSquared; - (id)modelDescription; - (double)fitDataWithModelParams:(double *)a0 finalParams:(double *)a1; - (void)getInitialParams:(double *)a0; - (id /* block */)modelFunction; - (id)modelFunctionStringForParameters:(double *)a0 significantFigures:(int)a1; - (int)modelParameterCount; - (id)partialDerivatives; @end