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Machtregressie (A
B
y = AX
ln
------------------------------------------- -
exp
A =
•
n
x y
------------------------------------------------------------------ -
B =
•
n
---------------------------------------------------------------------------------------------------------------------------------- -
=
r
{
•
(
n
–
ln
ln
y
A
---------------------- -
x ˆ
B
=
e
y ˆ
B
= Ax
Inverse regressie (1/X)
B
=
+
-- -
y
A
X
–
y B
---------------------------------- -
A =
n
Sxy
-------- -
B =
Sxx
Sxy
--------------------------- -
=
r
•
Sxx Syy
–
=
(
Sxx
x
2
=
–
Syy
y
–
1
=
(
Sxy
x
B
x ˆ
=
----------- -
–
y A
B
y ˆ
=
+
-- -
A
x
⋅
X^B)
–
•
ln
y
B
n
–
•
ln
ln
x
2
(
)
–
(
ln
ln
x
•
ln
ln
n
x y
2
)
–
(
ln
ln
x
1
•
x
2
1
(
)
x
2
1
------------------
)
–
n
2
(
)
y
--------------- -
n
1
•
x
-------------------------
)y
–
n
x
ln
y
2
)
x
–
•
ln
x
2
)
} n
{
•
(
x
y
63
ln
y
2
)
–
(
ln
ln
y
y
2
)
}
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