Texas Instruments TINSPIRE Reference Guide - Page 65
Output variable, Description, LogisticD, Catalog >, Residuals from the regression
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Output variable stat.RegEqn stat.a, stat.b, stat.c stat.Resid stat.XReg stat.YReg stat.FreqReg Description Regression equation: c/(1+a·e-bx) Regression coefficients Residuals from the regression List of data points in the modified X List actually used in the regression based on restrictions of Freq, Category List, and Include Categories List of data points in the modified Y List actually used in the regression based on restrictions of Freq, Category List, and Include Categories List of frequencies corresponding to stat.XReg and stat.YReg LogisticD LogisticD X, Y [ , [Iterations] , [Freq] [, Category, Include] ] Computes the logistic regression y = (c/(1+a·e-bx)+d) on lists X and Y with frequency Freq, using a specified number of Iterations. A summary of results is stored in the stat.results variable. (See page 97.) All the lists must have equal dimension except for Include. X and Y are lists of independent and dependent variables. Freq is an optional list of frequency values. Each element in Freq specifies the frequency of occurrence for each corresponding X and Y data point. The default value is 1. All elements must be integers | 0. Category is a list of numeric or string category codes for the corresponding X and Y data. Include is a list of one or more of the category codes. Only those data items whose category code is included in this list are included in the calculation. For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. Catalog > Output variable stat.RegEqn stat.a, stat.b, stat.c, stat.d stat.Resid stat.XReg stat.YReg stat.FreqReg Description Regression equation: c/(1+a·e-bx)+d) Regression coefficients Residuals from the regression List of data points in the modified X List actually used in the regression based on restrictions of Freq, Category List, and Include Categories List of data points in the modified Y List actually used in the regression based on restrictions of Freq, Category List, and Include Categories List of frequencies corresponding to stat.XReg and stat.YReg TI-Nspire™ Reference Guide 59