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Statistical Calculation
Type
ab
Exponential Regression
(A•B^X)
Power Regression (A•X^B)
Inverse Regression (1/X)
Appendix Comparison of Regression Curves
• The following example uses the data input in Example <#047>.
<#060> Compare the correlation coefficient for logarithmic,
exponential,
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,
power regression calculation when there are a large number of
data samples.
Equation Calculations
All calculations in this section are performed in the EQN Mode
(N3).
k Equation Types
An equation type menu appears when you press N3(EQN) and
enter the EQN Mode.
Key
1
a
X + b
n
2
a
X + b
n
2
3
aX
3
4
aX
ab
exponential, power, and inverse regression.
Menu Item
Y = c
n
n
Y + c
Z = d
n
n
+ bX + c = 0
2
+ bX
+ cX + d = 0
Model Equation
X
y
AB
=
B
y
AX
=
B
y
A
=
+
X
e
exponential,
Simultaneous Linear
Equations with Two
Unknowns
Simultaneous Linear
Equations with Three
n
Unknowns
Quadratic Equation
Cubic Equation
E-42
Calculation
Formula
<#057>
<#058>
<#059>
(FREQ: OFF)
ab
exponential, or
(EQN)
Equation Type
e
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