Casio fx-83ES Calculator User Manual


 
E-41
Statistical Calculation
Model Equation
Calculation
Type Formula
Logarithmic Regression
y = A + BlnX
<#055>
(ln X)
e Exponential Regression
y
=
Ae
BX
<#056>
(e^X)
ab Exponential Regression
y
=
AB
X
<#057>
(A•B^X)
Power Regression (A•X^B)
y
=
AX
B
<#058>
Inverse Regression (1/X)
y
=
A
+
X
B
<#059>
Appendix Comparison of Regression Curves
• The following example uses the data input in Example <#047>.
<#060> Compare the correlation coefficient for logarithmic, e
exponential, ab exponential, power, and inverse regression.
(FREQ: OFF)
Appendix Other Types of Regression Calculation: <#061> to
<#065>
Command Usage Tips
The commands included in the Reg sub-menu can take a long
time to execute in logarithmic, e exponential, ab exponential, or
power regression calculation when there are a large number of
data samples.
Generating a Number Table
from a Function (TABLE)
All calculations in this section are performed in the TABLE Mode
(N3).
k Configuring a Number Table Generation
Function
The procedure below configures the number table generation
function with the following settings.
Function: f(x) = x
2
+
Start Value: 1, End Value: 5, Step Value: 1
LINE
1
2