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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.
To view these calculation results:
Linear regression
Med-Med
Quadratic regression
Cubic regression
Quartic regression
Logarithmic regression
Exponential regression (
Exponential regression (
Power regression
Sinusoidal regression
Logistic regression
• 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 (
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.
7-7-3
Performing Statistical Calculations
·
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x
y
a
e
=
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y
a
b
x
=
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)
y
-coordinates) during regression calculations.
20050501
Tap this option:
Linear Reg
MedMed Line
Quadratic Reg
Cubic Reg
Quartic Reg
Logarithmic Reg
Exponential Reg
abExponential Reg
Power Reg
Sinusoidal Reg
Logistic Reg
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