When the type of the density curve is NORMAL, the fitted density function equation is
as follows.
p
(
x
)
=
100
h
%
σ
2
π
exp
(
-
1
2
(
x
-
μ
σ
)
2
)
for-
∞
<
x
<
∞
In the equation, μ is the mean, and σ is the standard deviation. You can specify μ by
using the MU= suboption and σ by using the SIGMA= suboption.
Kernel Density Function
When the TYPE of the density curve is KERNEL, the general form of the kernel density
estimator is as follows.
f
λ
^
(
x
)
=
100
h
%
nλ
Σ
i
=1
n
K
0
(
x
-
x
i
λ
)
In the equation,
K
0
(
⋅
)
is the weight function, λ is the bandwidth, n is the sample size,
and
x
i
is the ith observation. You can use the C= suboption to specify the bandwidth and ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.