(a)
Contour plot
(b)
Class membership indicator
Figure 2:
Contour plots: (a) darker grey scale levels represent lower probabilities of
𝑦
=
0
and (b)
•
and
∘
show the class membership indicators
𝑦
=
0
and
𝑦
=
1
, respectively, for the covariates
(
𝑥
1
,
𝑥
2
)
.