which parameter is used to predict age? calculating adaptive regression splines when to use the standard estimate and estimator of the splines when do you compare the slope for an adaptive regression spline how to measure slope for a regression how to estimate slope what is the average slope of mars what is an age range for the slope of an adaptive regression equation? what type of slope can be tested on mars in multivariate adaptive regression what are the slops in mars/earth how to test slope in mars how to test the slopes of a multivariate regression spline do mra spline curves use standard deviation how to test slopes of a regression curve using Mars/earth how to test the slope of regression how to test for a slope what is an appropriate standard for testing slopes for regression analysis? what is the average slope of an adaptive regression test? if an adaptive regression is tested how to get a negative slope what to use for slopes in mars