More than two data points: curve fitting
•
Linear models
•
Generalized linear models
•
Example:
Xb
x
b xb
b
y
....
22 11 0
Xb
xb
xb
b
y
f
....
)(
22 11 0
log(p/(1 – p)) = Xb
Þ
p
=
1
1
+
exp(
-
Xb
)