-
Notifications
You must be signed in to change notification settings - Fork 5
Expand file tree
/
Copy pathStatistics.hs
More file actions
141 lines (123 loc) · 2.18 KB
/
Statistics.hs
File metadata and controls
141 lines (123 loc) · 2.18 KB
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
{-# LANGUAGE ViewPatterns #-}
module ArrayFire.Statistics where
import Foreign.Marshal
import Foreign.Storable
import Foreign.C.String
import ArrayFire.Internal.Statistics
import ArrayFire.Internal.Defines
import ArrayFire.Exception
import ArrayFire.Types
import ArrayFire.FFI
mean
:: AFType a
=> Array a
-> Int
-> Array a
mean x n =
x `op1` (\x y ->
af_mean x y (fromIntegral n))
meanWeighted
:: AFType a
=> Array a
-> Array a
-> Int
-> Array a
meanWeighted x y (fromIntegral -> n) =
op2 x y $ \a b c ->
af_mean_weighted a b c n
var
:: AFType a
=> Array a
-> Bool
-> Int
-> Array a
var arr b d =
arr `op1` (\p x ->
af_var p x b (fromIntegral d))
varWeighted
:: AFType a
=> Array a
-> Array a
-> Int
-> Array a
varWeighted x y (fromIntegral -> n) =
op2 x y $ \a b c ->
af_var_weighted a b c n
stdev
:: AFType a
=> Array a
-> Int
-> Array a
stdev x n =
x `op1` (\x y ->
af_stdev x y (fromIntegral n))
cov
:: AFType a
=> Array a
-> Array a
-> Bool
-> Array a
cov x y n =
op2 x y $ \a b c ->
af_cov a b c n
median
:: AFType a
=> Array a
-> Int
-> Array a
median x n =
x `op1` (\x y ->
af_median x y (fromIntegral n))
meanAll
:: AFType a
=> Array a
-> (Double, Double)
meanAll = (`infoFromArray2` af_mean_all)
meanAllWeighted
:: AFType a
=> Array a
-> Array a
-> (Double, Double)
meanAllWeighted a b =
infoFromArray22 a b af_mean_all_weighted
varAll
:: AFType a
=> Array a
-> Bool
-> (Double, Double)
varAll a b =
infoFromArray2 a $ \x y z ->
af_var_all x y z b
varAllWeighted
:: AFType a
=> Array a
-> Array a
-> (Double, Double)
varAllWeighted a b =
infoFromArray22 a b af_var_all_weighted
stdevAll
:: AFType a
=> Array a
-> (Double, Double)
stdevAll = (`infoFromArray2` af_stdev_all)
medianAll
:: AFType a
=> Array a
-> (Double, Double)
medianAll = (`infoFromArray2` af_stdev_all)
corrCoef
:: AFType a
=> Array a
-> Array a
-> (Double, Double)
corrCoef a b =
infoFromArray22 a b af_corrcoef
topk
:: AFType a
=> Array a
-> Int
-> Int
-> AFTopkFunction
-> (Array a, Array a)
topk a x y f
= a `op2p` (\b c d -> af_topk b c d x y f)