Geoscience Reference
In-Depth Information
Fig. 12.20 Lognormal
Q
-
Q
plot of 256 values of Fig.
12.19
; frequency distribution is approxi-
mately lognormal (Source: Agterberg
2007a
, Fig. 4)
Fig. 12.21 Computer simulation experiment of Fig.
12.17
repeated after replacing constant
dispersion index
d
¼
0.4 by approximately normal random variable
D
* with
E
(
D
*)
¼
1 and E{|
D
*
E
(
D
*)|}
¼
0.4, which is equivalent to
σ
(
D*
)
¼
0.51 (Source: Agterberg
2007a
, Fig. 5)
Search WWH ::
Custom Search