HP 300s Scientific Calculator - Manual (Page 64)

58
Comments for Other Typed of Regression
For details about the calculation formula of the command
included in each regression type, refer to the indicated
calculation formulas.
For example:
Logarithm Regression (In X)
y = A + BInX
A =
B =
= A + Blnx
e Exponential Regression (e^ X)
y = Ae Bx
A =
B =
ab Exponential Regression (A
⋅
B^X)
y = AB X
y B x ln  • –

n
--------------------------------------
n x ln ( )y x y  • ln 
–
 •
n x ln ( ) 2 x ln  ( )
2
–  •
------------------------------------------------------------------
r
n x ln ( )y x y  • ln  –  •
n x ln ( ) 2
x ln  ( )
2
–
 •
 
 
 
n y
2
y  ( )
2
–
 •
 
 
 
------------------------------------------------------------------------------------------------------------------- =
xˆ e
y A –
B ------------
=
yˆ
y ln B x  • –

n
-------------------------------------- exp
n x y x y ln  •  – ln  •
n x 2 x  ( )
2
–  •
-------------------------------------------------------------
r
n x y x y ln  •  – ln  •
n x 2 x  ( )
2
–  •
 
 
 
n y ln ( ) 2 y ln  ( )
2
–  •
 
 
 
------------------------------------------------------------------------------------------------------------------- =
xˆ
y ln A ln –
B
----------------------- =
yˆ Ae Bx
=