TI-89 / TI-92 Plus / Voyage™ 200 PLT Statistics with List Editor App † Calc Menu 101
MultReg
Description
† (
Calc) Æ 3:Regressions Æ D:MultReg
MultReg
(multiple regressions) calculates multiple linear regression of Y list on X1, X2,
. . . , X10 lists.
Inputs
Number of Ind Vars Number of independent x lists.
Y List Dependent variable vector.
X1 List - X10 List Independent variables.
Outputs
Outputs Stored to Description
blist blist {B0,B1, . . . } List of Coefficients of the regression equation
Y_hat = B0+B1*x1+ . . .
R
2
rsq Coefficient of multiple determination.
yhatlist* y_hat Y_hat = B0+B1*x1+ . . .
resid* resid y - yhatlist
* Output variable is pasted to the end of the list editor when Results -> Editor option is YES, (located
in ƒ (Tools) 9:Format).
Example
1. In the list editor, enter:
list1={1,2,3,3.5,4.5} and list2={4,5,6,7,8} and list3={4,3,2,1,1}
and list4={2,2,3,3,4}
2. Press † (Calc) and select 3:Regressions. Then select D:MultReg. The MultReg input
dialog box is displayed. Enter the arguments as shown below.
3. Press b to compute the data.
Note: When the Results->Editor option is YES (located in ƒ (Tools) 9:Format), the residuals (resid)
list is pasted to the end of the list editor after you close the output dialog box. To prevent the resid list
from being pasted to the end of the list editor, press ƒ (Tools) and select 9:Format to display the
FORMATS dialog box. Change the Results->Editor setting to NO and press Í.
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