Casio FC-200V User Guide - Page 128
Inverse Regression 1/X
UPC - 079767167004
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Power Regression (A•X^B) ( ) A = exp Σlny - B.Σlnx n n.Σlnxlny - Σlnx.Σlny B = n.Σ(lnx)2 - (Σlnx)2 r = n.Σlnxlny - Σlnx.Σlny {n.Σ(lnx)2 - (Σlnx)2}{n.Σ(lny)2 - (Σlny)2} ln y - ln A m=e B n = AxB Inverse Regression (1/X) Σy - B.Σx-1 A = n Sxy B = Sxx r = Sxy Sxx .Syy Sxx = Σ(x-1)2 - (Σx-1)2 n Syy = Σy2- (Σy)2 n Sxy = Σ(x-1)y - Σx-1.Σy n m = B y - A n=A+ B x E-126
E-126
A
=
n
Σ
y
–
B
.
Σ
x
–1
B
=
Sxx
Sxy
r
=
Sxx
=
Σ
(
x
–1
)
2
–
Syy
=
Σ
y
2
–
Sxy
=
Σ
(
x
–1
)
y
–
Sxx
.
Syy
Sxy
n
(
Σ
x
–1
)
2
n
Σ
x
–1
.
Σ
y
m
=
y – A
B
n
=
A
+
x
B
n
(
Σ
y
)
2
Inverse Regression (1/X)
A
=
exp
(
)
n
Σ
ln
y
–
B
.
Σ
ln
x
B
=
n
.
Σ
(
ln
x
)
2
–
(
Σ
ln
x
)
2
n
.
Σ
ln
x
ln
y
–
Σ
ln
x
.
Σ
ln
y
r
=
{
n
.
Σ
(
ln
x
)
2
–
(
Σ
ln
x
)
2
}{
n
.
Σ
(
ln
y
)
2
–
(
Σ
ln
y
)
2
}
n
.
Σ
ln
x
ln
y
–
Σ
ln
x
.
Σ
ln
y
m
=
e
B
ln
y –
ln
A
n
=
Ax
B
Power Regression (A•X^B)