Texas Instruments TINSPIRE Reference Guide - Page 65

Output variable, Description, LogisticD, Catalog &gt, 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

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TI-Nspire™ Reference Guide
59
Output variable
Description
stat.RegEqn
Regression equation: c/(1+a
·
e
-bx
)
stat.a, stat.b, stat.c
Regression coefficients
stat.Resid
Residuals from the regression
stat.XReg
List of data points in the modified
X List
actually used in the regression based on restrictions of
Freq
,
Category List
, and
Include Categories
stat.YReg
List of data points in the modified
Y List
actually used in the regression based on restrictions of
Freq
,
Category List
, and
Include Categories
stat.FreqReg
List of frequencies corresponding to
stat.XReg
and
stat.YReg
LogisticD
Catalog >
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.
Output variable
Description
stat.RegEqn
Regression equation: c/(1+a
·
e
-bx
)+d)
stat.a, stat.b, stat.c,
stat.d
Regression coefficients
stat.Resid
Residuals from the regression
stat.XReg
List of data points in the modified
X List
actually used in the regression based on restrictions of
Freq
,
Category
List
, and
Include
Categories
stat.YReg
List of data points in the modified
Y List
actually used in the regression based on restrictions of
Freq
,
Category
List
, and
Include
Categories
stat.FreqReg
List of frequencies corresponding to
stat.XReg
and
stat.YReg