Geoscience Reference
In-Depth Information
table 19.1
(continued) Summary of regression results at county level
Growing degree
days
Constant
Precipitation
Time trend
County/crop
Observation
R
2
Coeficient
t-stat
Coeficient
t-stat
Coeficient
t-stat
Coeficient
t-stat
Vest-Agder
Barley P1
16
0.49
48.918
0.45
0.156
1.98
−0.021
−0.55
3.491
2.35
Potato P1
16
0.42
−694.517
−0.62
1.976
2.45
0.119
0.30
25.334
1.67
Barley P2
15
0.30
291.789
0.90
0.140
0.63
−
0.318
−1.99
8.585
1.49
Rogaland
Wheat1
a
Wheat2
b
Oats
Potato
14
0.82
348.063
3.67
0.073
1.10
−
0.137
−4.75
6.102
3.97
21
0.34
490.947
2.47
0.102
0.70
−
0.246
−2.99
1.662
0.64
44
0.34
384.630
3.27
0.134
1.52
−
0.193
−4.06
1.580
2.19
44
0.29
1880.336
2.85
1.233
2.51
−
0.804
−3.01
5.526
1.36
Barley P1
16
0.68
323.103
2.07
0.135
1.24
−
0.171
−3.67
4.200
2.07
Barley P2
15
0.70
154.652
0.82
0.258
2.29
−
0.285
−4.10
10.212
3.28
Barley P3
13
0.62
524.713
3.31
0.132
0.81
−
0.265
−3.28
0.222
0.07
Hordaland
Potato
44
0.22
2378.405
3.06
0.378
0.58
−
0.343
−2.08
−7.526
−1.46
Barley P1
16
0.68
156.510
1.25
0.174
1.91
−
0.072
−3.06
6.706
3.82
Oats P1
16
0.57
175.261
1.02
0.139
1.10
−
0.069
−2.13
9.038
3.72
Barley P2
15
0.53
71.068
0.20
0.192
0.73
−
0.163
−2.52
15.328
2.98
Sogn & Fjordane
Potato
44
0.23
1526.346
2.18
1.048
1.84
−
0.236
−1.81
−7.238
−1.56
Barley P1
16
0.66
−24.730
−0.18
0.243
2.49
−0.014
−0.59
6.709
3.63
