Statistical Calculation

Model Equation

Calculation

Type

Formula

 

 

 

 

 

 

 

 

Logarithmic Regression

y = A + BlnX

<#055>

(ln X)

 

 

 

 

e Exponential Regression

y = AeBX

<#056>

(e^X)

 

 

 

 

ab Exponential Regression

y = ABX

<#057>

(A•B^X)

 

 

 

 

Power Regression (A•X^B)

y = AXB

<#058>

 

 

 

 

 

Inverse Regression (1/X)

y = A +

B

 

<#059>

X

 

 

 

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) = x2 + 1 2

Start Value: 1, End Value: 5, Step Value: 1

LINE

E-41