Owner's manual
59
A =
B =
= ABx
Power Regression (A
⋅ X^B)
y = AX
B
A =
B =
= Ax
B
Inverse Regression (1/X)
A =
B =
yln Bx
•–
n
--------------------------------------
exp
nxyx yln
•
–ln
•
nx
2
x
()
2
–
•
-------------------------------------------------------------
r
nxyx yln
•
–ln
•
nx
2
x
()
2
–
•
nyln()
2
yln
()
2
–
•
-------------------------------------------------------------------------------------------------------------------=
x
ˆ
yln Aln–
B
-----------------------=
y
ˆ
yln Bxln
•–
n
--------------------------------------------
exp
nxy xln yln
•
–ln
•
nxln()
2
xln
()
2
–
•
-------------------------------------------------------------------
r
nxyxyln
•ln
–lnln
•
nxln()
2
xln
()
2
–
•
nyln()
2
yln
()
2
–
•
-----------------------------------------------------------------------------------------------------------------------------------=
x
ˆ
e
yln Aln–
B
-----------------------
=
y
ˆ
yA
B
X
---+=
yB x
1
•–
n
-----------------------------------
Sxy
Sxx
---------
r
Sxy
Sxx Syy•
----------------------------=
Sxx x
1–
()
2
x
1
()
2
n
------------------–=