Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
context("s2dverification::Corr tests")
##############################################
# dat1
set.seed(1)
exp1 <- array(rnorm(240), dim = c(dataset = 1, member = 2, sdate = 5,
ftime = 3, lat = 2, lon = 4))
set.seed(2)
obs1 <- array(rnorm(120), dim = c(dataset = 1, member = 1, sdate = 5,
ftime = 3, lat = 2, lon = 4))
set.seed(2)
na <- floor(runif(10, min = 1, max = 120))
obs1[na] <- NA
##############################################
test_that("1. Input checks", {
expect_error(
Corr(c(), c()),
"Parameter 'exp' and 'obs' cannot be NULL."
)
expect_error(
Corr(c('b'), c('a')),
"Parameter 'exp' and 'obs' must be a numeric array."
)
expect_error(
Corr(c(1:10), c(2:4)),
paste0("Parameter 'exp' and 'obs' must be at least two dimensions ",
"containing time_dim and memb_dim.")
)
expect_error(
Corr(array(1:10, dim = c(2, 5)), array(1:4, dim = c(2, 2))),
"Parameter 'exp' and 'obs' must have dimension names."
)
expect_error(
Corr(array(1:10, dim = c(a = 2, c = 5)), array(1:4, dim = c(a = 2, b = 2))),
"Parameter 'exp' and 'obs' must have same dimension name"
)
expect_error(
Corr(exp1, obs1, memb_dim = 1),
"Parameter 'memb_dim' must be a character string."
)
expect_error(
Corr(exp1, obs1, memb_dim = 'a'),
"Parameter 'memb_dim' is not found in 'exp' or 'obs' dimension."
)
expect_error(
Corr(exp1, obs1, time_dim = c('sdate', 'a')),
"Parameter 'time_dim' must be a character string."
)
expect_error(
Corr(exp1, obs1, time_dim = 'a'),
"Parameter 'time_dim' is not found in 'exp' or 'obs' dimension."
)
expect_error(
Corr(exp1, obs1, comp_dim = c('sdate', 'ftime')),
"Parameter 'comp_dim' must be a character string."
)
expect_error(
Corr(exp1, obs1, comp_dim = 'a'),
"Parameter 'comp_dim' is not found in 'exp' or 'obs' dimension."
)
expect_error(
Corr(exp1, obs1, limits = c(1,3)),
"Paramter 'comp_dim' cannot be NULL if 'limits' is assigned."
)
expect_error(
Corr(exp1, obs1, comp_dim = 'ftime', limits = c(1)),
paste0("Parameter 'limits' must be a vector of two positive ",
"integers smaller than the length of paramter 'comp_dim'.")
)
expect_error(
Corr(exp1, obs1, conf.lev = -1),
"Parameter 'conf.lev' must be a numeric number between 0 and 1."
)
expect_error(
Corr(exp1, obs1, method = 1),
"Parameter 'method' must be one of 'kendall', 'spearman' or 'pearson'."
)
expect_error(
Corr(exp1, obs1, conf = 1),
"Parameter 'conf' must be one logical value."
)
expect_error(
Corr(exp1, obs1, pval = 'TRUE'),
"Parameter 'pval' must be one logical value."
)
expect_error(
Corr(exp1, obs1, ncores = 1.5),
"Parameter 'ncores' must be a positive integer."
)
expect_error(
Corr(exp = array(1:10, dim = c(sdate = 1, member = 5, a = 1)),
obs = array(1:4, dim = c(a = 1, sdate = 2, member = 2))),
"Parameter 'exp' and 'obs' must have same length of all dimension expect 'memb_dim'."
)
expect_error(
Corr(exp = array(1:10, dim = c(sdate = 2, member = 5, a = 1)),
obs = array(1:4, dim = c(a = 1, sdate = 2, member = 2))),
"The length of time_dim must be at least 3 to compute correlation."
)
})
##############################################
test_that("2. Output checks: dat1", {
expect_equal(
dim(Corr(exp1, obs1)$corr),
c(n_exp = 2, n_obs = 1, dataset = 1, ftime = 3, lat = 2, lon = 4)
)
expect_equal(
head(Corr(exp1, obs1)$corr),
c(0.11503859, -0.46959987, -0.64113021, 0.09776572, -0.32393603, 0.27565829),
tolerance = 0.001
)
expect_equal(
length(which(is.na(Corr(exp1, obs1)$p.val))),
2
)
expect_equal(
max(Corr(exp1, obs1)$conf.lower, na.rm = T),
0.6332941,
tolerance = 0.001
)
expect_equal(
length(which(is.na(Corr(exp1, obs1, comp_dim = 'ftime')$corr))),
6
)
expect_equal(
length(which(is.na(Corr(exp1, obs1, comp_dim = 'ftime', limits = c(2, 3))$corr))),
2
)
expect_equal(
summary(Corr(exp1, obs1, conf.lev = 0.99)$conf.upper)[1],
c(Min. = 0.2748),
tolerance = 0.0001
)
expect_equal(
length(Corr(exp1, obs1, conf = FALSE, pval = FALSE)),
1
)
expect_equal(
length(Corr(exp1, obs1, conf = FALSE)),
2
)
expect_equal(
length(Corr(exp1, obs1, pval = FALSE)),
3
)
expect_equal(
head(Corr(exp1, obs1, method = 'spearman')$corr),
c(-0.3, -0.4, -0.6, 0.3, -0.3, 0.2)
)
expect_equal(
range(Corr(exp1, obs1, method = 'spearman', comp_dim = 'ftime')$p.val, na.rm = T),
c(0.0, 0.5),
tolerance = 0.001
)
})
##############################################