Mercurial > gemma
annotate pkg/common/nashsutcliffe.go @ 3055:b3c24c47931c
client: layers legend: support multiple maps
If there is more than one map, there's a layer checkbox for each of them, so layers can be
toggle for each map separately.
author | Markus Kottlaender <markus@intevation.de> |
---|---|
date | Tue, 16 Apr 2019 09:26:51 +0200 |
parents | 4f66a3ba424b |
children | 014be2194bd1 |
rev | line source |
---|---|
2741
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
2 // without warranty, see README.md and license for details. |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
3 // |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
4 // SPDX-License-Identifier: AGPL-3.0-or-later |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
5 // License-Filename: LICENSES/AGPL-3.0.txt |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
6 // |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
7 // Copyright (C) 2019 by via donau |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
9 // Software engineering by Intevation GmbH |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
10 // |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
11 // Author(s): |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
13 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
14 package common |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
15 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
16 import ( |
2878
4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2741
diff
changeset
|
17 "math" |
2741
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
18 "sort" |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
19 "time" |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
20 ) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
21 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
22 type NSMeasurement struct { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
23 When time.Time |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
24 Predicted float64 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
25 Observed float64 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
26 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
27 |
2878
4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2741
diff
changeset
|
28 func (m NSMeasurement) Valid() bool { |
4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2741
diff
changeset
|
29 return !m.When.IsZero() && !math.IsNaN(m.Predicted) && !math.IsNaN(m.Observed) |
4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2741
diff
changeset
|
30 } |
4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2741
diff
changeset
|
31 |
2741
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
32 func NashSutcliffeSort(measurements []NSMeasurement) { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
33 sort.Slice(measurements, func(i, j int) bool { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
34 return measurements[i].When.Before(measurements[j].When) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
35 }) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
36 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
37 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
38 func NashSutcliffe(measurements []NSMeasurement, from, to time.Time) (float64, int) { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
39 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
40 if len(measurements) == 0 { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
41 return 0, 0 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
42 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
43 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
44 if to.Before(from) { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
45 from, to = to, from |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
46 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
47 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
48 begin := sort.Search(len(measurements), func(i int) bool { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
49 return !measurements[i].When.Before(from) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
50 }) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
51 if begin >= len(measurements) { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
52 return 0, 0 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
53 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
54 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
55 end := sort.Search(len(measurements), func(i int) bool { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
56 return measurements[i].When.After(to) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
57 }) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
58 if end >= len(measurements) { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
59 end = len(measurements) - 1 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
60 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
61 if end <= begin { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
62 return 0, 0 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
63 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
64 sample := measurements[begin:end] |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
65 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
66 if len(sample) == 0 { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
67 return 0, 0 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
68 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
69 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
70 var mo float64 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
71 for i := range sample { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
72 mo += sample[i].Observed |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
73 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
74 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
75 mo /= float64(len(sample)) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
76 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
77 var num, denom float64 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
78 for i := range sample { |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
79 d1 := sample[i].Predicted - sample[i].Observed |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
80 num += d1 * d1 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
81 d2 := sample[i].Observed - mo |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
82 denom += d2 * d2 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
83 } |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
84 |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
85 return 1 - num/denom, len(sample) |
87aed4f9b1b8
Added calculation of Nash Sutcliffe efficiency coefficents.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
86 } |