57
55
50
45
40
35
30
25
20
15
10
5
1
0.20
0.15
0.10
0.05
0.00
MAPE 64.9723
MAD
0 .0282
MSD
0 .0015
Accuracy Measures
Index
Hg
0.049
Actual
Fits
Variable
Spatial Analysis Plot for Hg
Linear Trend Model
Hg = 0.0679 - 0.000307×n
55
50
45
40
35
30
25
20
15
10
5
1
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
MAPE 114.968
MAD
0 .027
MSD
0 .001
Accuracy Measures
n
Hg(N)
0.04
Actual
Fits
Variable
Spatial Analysis Plot for Hg(N)
Linear Trend Model
Hg = 0.03792 + 0.000376×n
45
40
35
30
25
20
15
10
5
1
2.5
2.0
1.5
1.0
0.5
0.0
MAPE 108.765
MAD
0 .144
MSD
0 .101
Accuracy Measures
n
Hg_1
0.14
Actual
Fits
Variable
Spatial Analysis Plot for Hg_1
Linear Trend Model
Hg_1 = 0.1851 + 0.00086×n
(a)
(b)
(c)
Fig. 2.12 Spatial analysis plot for Hg. (a) 2015 Hg concentration data; (b) 2015 Hg normalized
concentration data; (c) 2010 Hg concentration data
2 Spatial Series and Multivariate Analysis in Assessing the Essential (Cu and Zn…