User Manual

Ck-126
幂回归 (
A•X
^
B
)
A = exp
( )
n

lny – B
.
lnx
B =
n
.

(
ln
x
)
2
–
(
lnx
)
2
n
.

lnxln
y
– 
lnx
.
lny
r
=
{
n
.

(
ln
x
)
2
–
(
lnx
)
2
}{n
.

(
ln
y
)
2
–
(
lny
)
2
}
n
.

lnxln
y
– 
lnx
.
lny
m = e
B
ln y – ln A
n = Ax
B
倒数回归 (
1
/
X
)
A =
n
y
– B
.
x
–1
B =
Sxx
Sxy
r
=
Sxx = (x
–1
)
2
–
Syy = y
2
–
Sxy = (x
–1
)y –
Sxx
.
Syy
Sxy
n
(x
–1
)
2
n
x
–1
.
y
m =
y – A
B
n = A +
x
B
n
(y)
2