Regression calculations – Casio FX-820MS User Manual

Page 26

Advertising
background image

E-24

Press

2

to exit data input without registering the value

you just input.
Press

1

if you want to register the value you just input,

without saving it in memory. If you do this, however, you
will not be able to display or edit any of the data you
have input.

• To delete data you have just input, press

A

U

.

• After inputting statistical data in the SD Mode or REG

Mode, you will be unable to display or edit individual data
items any longer after perform either the following
operations.
Changing to another mode
Changing the regression type (Lin, Log, Exp, Pwr, Inv,
Quad)

Regression Calculations

Use the

F

key to enter the REG Mode when you want

to perform statistical calculations using regression.

REG ................................................................

F

3

• Entering the REG Mode displays screens like the ones

shown below.

REG

1 2 3

L i n Log Ex p

1 2 3

Pw r I nv Quad

r

e

• Press the number key (

1

,

2

, or

3

) that corresponds

to the type of regression you want to use.

1

(Lin) :

Linear regression

2

(Log) :

Logarithmic regression

3

(Exp) :

Exponential regression

r

1

(Pwr) :

Power regression

r

2

(Inv) :

Inverse regression

r

3

(Quad) : Quadratic regression

Advertising