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Viewing Regression Calculation Results
To view regression calculation results, tap [Calc] on the menu bar and then tap the type of
calculation results you want.
7-7-3
Performing Statistical Calculations
•You can also use the [DispStat] option to display the last calculated statistical results. For
details about regression calculation results, see “7-5 Graphing Paired-Variable Statistical
Data”.
Residual Calculation
Residual calculation calculates the distance (residual) between the regression model and an
actual plotted point (y-coordinates) during regression calculations.
u ClassPad Operation
(1) m I
(2) Input the data you want into a list.
(3) Tap [Calc] and then [Linear Reg].
(4) On the dialog box that appears, tap the [Residual Calc] down arrow button, and then
select “On” from the list that appears.
•Whenever the [Residual Calc] setting is configured as described above, the ClassPad
automatically assigns residual data to a system variable named “residual” when you
perform a regression calculation. You can use the following procedure to view the current
“residual” system variable values.
Linear regression
Linear Reg
Med-Med
MedMed Line
Quadratic regression
Quadratic Reg
Cubic regression
Cubic Reg
Quartic regression
Quartic Reg
Logarithmic regression
Logarithmic Reg
Exponential regression (y = a·e
b
·
x
)
Exponential Reg
Exponential regression (y = a·b
x
)
abExponential Reg
Power regression
Power Reg
Sinusoidal regression
Sinusoidal Reg
Logistic regression
Logistic Reg
Tap this option:To view these calculation results: