TI -86 用户手册

14STATS.DOC   TI-86, Chap 14, US English   Bob Fedorisko   Revised: 02/13/01 2:33 PM   Printed: 02/13/01 3:04 PM   Page 191 of 14

14STATS.DOC   TI-86, Chap 14, US English   Bob Fedorisko   Revised: 02/13/01 2:33 PM   Printed: 02/13/01 3:04 PM   Page 191 of 14

For 

, the syntax is:

 

ãxList

ä

For 

, the syntax is:

  

ã

 

ä

For 

, 

, 

, 

, 

, 

, and 

, the syntax is:

 

ãxList

ä

For 

, the syntax is:

 

ãiterations

ä

 is the number of iterations to go through; higher values for iterations produce a

better fit, but take longer to calculate. period is an initial guess at which to begin calculation.

For 

, the syntax is:

 

ãiterations

ä

To copy the contents 

 to any variable after calculating the regression, the syntax is:

, 

, 

, 

, 

, 

, 

, 

, and 

 are regression models. Each

regression model has an optional argument, 

, for which you can specify an

equation variable, such as 

. Upon execution, the regression equation is stored

automatically to the specified equation variable, and the function is selected.

Regardless of whether you specify 

, the regression equation always is

stored to the result variable 

, which is an item on the 

STAT

 

VARS

 menu. The

regression equation displays the actual result values.

When you select 

 or

, the abbreviation

 or 

 is

displayed.

For 

 and 

, the

elements of 

 and 

must be integers 

‚

 1.

Default for 

 is 64.