T
able
5. T
est
of
a
V
ariety
of
O
ptions
to
I
nfer
O
verall
D
istress
R
ates
Dataset (Size: 50)
Model # Variables Coefficient Standard Error
t
P>|t|
R
2
Adjusted R
2
RMSE Prob > F
6-inch
Model
3
PC
B1
71.24
3.03
23.52 <0.001*
0.9217 0.9184
29.041 <0.001*
PC
B2
-4.09
11.80
-0.35 0.731
Intercept
135.36
4.11
32.96 <0.001*
Model
4
PC
G1
70.80
2.98
23.77 <0.001*
0.9239 0.9206
28.643 <0.001*
PC
G2
-27.78
12.18
-2.28 0.027*
Intercept
135.36
4.05
33.42 <0.001*
Model
5
PC
R1
70.71
2.85
24.82 <0.001*
0.9301 0.9271
27.442 <0.001*
PC
R2
-36.70
12.03
-3.05 0.004*
Intercept
135.36
3.88
34.88 <0.001*
Model
6
PC
S1
-55.95
2.39
-23.38 <0.001*
0.9240 0.9190
28.924 <0.001*
PC
S2
120.37
34.35
3.50 <0.001*
PC
S3
-34.09
76.27
-0.45 0.657
Intercept
135.36
4.09
33.09 <0.001*
Model
7
PC
T1
53.73
2.99
17.94 <0.001*
0.8806 0.8728
36.252 <0.001*
PC
T2
226.37
58.01
3.90 <0.001*
PC
T3
241.83
165.58
1.46 0.151
Intercept
135.36
5.13
26.40 <0.001*
12-inch
Model
3
PC
B1
67.17
5.83
11.52 <0.001*
0.7231 0.7113
54.510 <0.001*
PC
B2
19.39
12.97
1.49 0.142
Intercept
125.12
7.44
16.81 <0.001*
Model
4
PC
G1
66.45
5.91
11.24 <0.001*
0.7379 0.7268
53.030 <0.001*
PC
G2
31.01
12.66
2.45 0.018*
Intercept
125.12
7.50
16.68 <0.001*
Model
5
PC
R1
65.94
6.05
10.90 <0.001*
0.7418 0.7308
52.638 <0.001*
PC
R2
26.19
13.31
1.97 0.055
Intercept
125.12
7.71
16.23 <0.001*
Model
6
PC
S1
48.76
4.64
10.52 <0.001*
0.7129 0.6942
56.103 <0.001*
PC
S2
104.05
74.77
1.39 0.171
PC
S3
262.22
199.84
1.31 0.196
Intercept
125.12
7.93
15.77 <0.001*
Model
7
PC
T1
-41.79
5.61
-7.45 <0.001*
0.5832 0.5560
67.602 <0.001*
PC
T2
116.54
55.58
2.10 0.042*
PC
T3
-311.73
148.31
-2.10 0.041*
Intercept
125.12
9.56
13.09 <0.001*
24-inch
Model
3
PC
B1
68.56
7.68
8.92 <0.001*
0.5677 0.5494
68.105 <0.001*
PC
B2
-11.40
11.28
-1.01 0.066
Intercept
125.12
8.89
14.07 <0.001*
Model
4
PC
G1
63.27
7.81
8.10 <0.001*
0.5917 0.5743
66.190 <0.001*
PC
G2
-20.21
12.95
-1.56 0.125
Intercept
125.12
9.36
13.37 <0.001*
Model
5
PC
R1
68.59
7.68
8.92 <0.001*
0.6317 0.6160
62.865 <0.001*
PC
R2
-11.40
11.28
-1.01 0.317
Intercept
125.12
8.89
14.07 <0.001*
Model
6
PC
S1
-42.78
5.99
-7.15 <0.001*
0.5285 0.4978
71.898 <0.001*
PC
S2
27.26
43.98
0.62 0.539
PC
S3
-82.25
231.18
-0.36 0.724
Intercept
125.12
10.17
12.31 <0.001*
Model
7
PC
T1
33.75
6.21
5.43 <0.001*
0.4856 0.4521
75.096 <0.001*
PC
T2
290.84
90.70
3.21 0.002*
PC
T3
-540.37
284.34
-1.90 0.064
Intercept
125.12
10.62
11.78 <0.001*
Note:
PC
B1
–
PC
B2
indicate the two principal components extracted from the mean and standard deviation values of the visible blue band;
PC
G1
–
PC
G2
indicate the two principal components extracted from the mean and standard deviation values of the visible green band;
PC
R1
–
PC
R2
indicate the two principal components extracted from the mean and standard deviation values of the visible red band;
PC
S1
–
PC
S3
indicate the
three principal components extracted from the mean values of each of the three visible bands;
PC
T1
–
PC
T3
indicate the three principal compo-
nents extracted from the standard deviation value of each of the three visible bands; and * indicates the independent variable is significant at p
= 0.05 level.
PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING
September 2015
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