Performing Statistical Calculations
Viewing Regression Calculation ResultsTo 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: | Tap this option: |
Linear regression | Linear Reg |
MedMed Line | |
Quadratic regression | Quadratic Reg |
Cubic regression | Cubic Reg |
Quartic regression | Quartic Reg |
Logarithmic regression | Logarithmic Reg |
Exponential regression (y = a·eb·x) | Exponential Reg |
Exponential regression (y = a·bx) | abExponential Reg |
Power regression | Power Reg |
Sinusoidal regression | Sinusoidal Reg |
Logistic regression | Logistic Reg |
•You can also use the [DispStat] option to display the last calculated statistical results. For details about regression calculation results, see
Residual calculation calculates the distance (residual) between the regression model and an actual plotted point
uClassPad Operation
(1)mI
(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 [Copy Residual] down arrow button, and then select [On] or the list into which you want to copy the residual values.
•Values assigned to the “residual” system variable shows the vertical distances between actually plotted points and the regression model.
•A positive value indicates a plot that is higher than the regression model, while a negative value indicates a plot that is lower.
•Whenever the [Copy Residual] 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.
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