Casio fx-115ES Manual de usuario descargar pdf (Pagina 54)

E-52

Comments for Other Types of Regression

For details about the calculation formula of the command included

in each regression type, refer to the indicated calculation formulas

( Appendix <#069> to <#073>).

Statistical Calculation

Model Equation

Calculation

Type Formula

Logarithmic Regression

y = A + Bln X

<#069>

(ln X)

e Exponential Regression

<#070>

(e^X)

ab Exponential Regression

<#071>

(A•B^X)

Power Regression (A•X^B)

<#072>

Inverse Regression (1/X)

<#073>

Appendix Comparison of Regression Curves

• The following example uses the data input in Example <#061>.

<#074> Compare the correlation coefficient for logarithmic, e

exponential, ab exponential, power, and inverse regression.

(FREQ: OFF)

Appendix Other Types of Regression Calculation: <#075> to

<#079>

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.

Base-

Calculations

(BASE-N)

The BASE-N Mode lets you perform arithmetic calculations, negative

value calculations, and logical operations with binary, octal, decimal,

and hexadecimal values.

All calculations in this section are performed in the BASE-N

Mode (N4).

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