1 | #Region "Microsoft.VisualBasic::f26d583246bdc61109e553deda4d4bd2, Microsoft.VisualBasic.Core\Extensions\Math\StatisticsMathExtensions\Linq\EnumerableStatsStandardDeviation.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Module EnumerableStatsStandardDeviation |
35 | ' |
36 | ' Function: (+20 Overloads) StandardDeviation |
37 | ' |
38 | ' |
39 | ' /********************************************************************************/ |
40 | |
41 | #End Region |
42 | |
43 | Imports System.Runtime.CompilerServices |
44 | Imports sys = System.Math |
45 | |
46 | Namespace Math.Statistics.Linq |
47 | |
48 | Public Module EnumerableStatsStandardDeviation |
49 | ' ' Summary: |
50 | ' Computes the StandardDeviation of a sequence of nullable System.Decimal values. |
51 | ' ' Parameters: |
52 | ' source: |
53 | ' A sequence of nullable System.Decimal values to calculate the StandardDeviation of. |
54 | ' ' Returns: |
55 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
56 | ' empty or contains only values that are null. |
57 | ' ' Exceptions: |
58 | ' System.ArgumentNullException: |
59 | ' source is null. |
60 | ' ' System.OverflowException: |
61 | ' The sum of the elements in the sequence is larger than System.Decimal.MaxValue. |
62 | <Extension> |
63 | Public Function StandardDeviation(source As IEnumerable(Of Decimal?)) As Decimal |
64 | Dim values As IEnumerable(Of Decimal) = source.Coalesce() |
65 | If values.Any() Then |
66 | Return values.StandardDeviation() |
67 | End If |
68 | |
69 | Return Nothing |
70 | End Function |
71 | ' ' Summary: |
72 | ' Computes the StandardDeviation of a sequence of System.Decimal values. |
73 | ' ' Parameters: |
74 | ' source: |
75 | ' A sequence of System.Decimal values to calculate the StandardDeviation of. |
76 | ' ' Returns: |
77 | ' The StandardDeviation of the sequence of values. |
78 | ' ' Exceptions: |
79 | ' System.ArgumentNullException: |
80 | ' source is null. |
81 | ' ' System.InvalidOperationException: |
82 | ' source contains no elements. |
83 | ' ' System.OverflowException: |
84 | ' The sum of the elements in the sequence is larger than System.Decimal.MaxValue. |
85 | <Extension> |
86 | Public Function StandardDeviation(source As IEnumerable(Of Decimal)) As Decimal |
87 | Return CDec(source.[Select](Function(x) CDbl(x)).StandardDeviation()) |
88 | End Function |
89 | ' ' Summary: |
90 | ' Computes the StandardDeviation of a sequence of nullable System.Double values. |
91 | ' ' Parameters: |
92 | ' source: |
93 | ' A sequence of nullable System.Double values to calculate the StandardDeviation of. |
94 | ' ' Returns: |
95 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
96 | ' empty or contains only values that are null. |
97 | ' ' Exceptions: |
98 | ' System.ArgumentNullException: |
99 | ' source is null. |
100 | <Extension> |
101 | Public Function StandardDeviation(source As IEnumerable(Of Double?)) As Double |
102 | Dim values As IEnumerable(Of Double) = source.Coalesce() |
103 | If values.Any() Then |
104 | Return values.StandardDeviation() |
105 | End If |
106 | |
107 | Return Nothing |
108 | End Function |
109 | ' ' Summary: |
110 | ' Computes the StandardDeviation of a sequence of System.Double values. |
111 | ' ' Parameters: |
112 | ' source: |
113 | ' A sequence of System.Double values to calculate the StandardDeviation of. |
114 | ' ' Returns: |
115 | ' The StandardDeviation of the sequence of values. |
116 | ' ' Exceptions: |
117 | ' System.ArgumentNullException: |
118 | ' source is null. |
119 | ' ' System.InvalidOperationException: |
120 | ' source contains no elements. |
121 | <Extension> |
122 | Public Function StandardDeviation(source As IEnumerable(Of Double)) As Double |
123 | Return sys.Sqrt(source.Variance()) |
124 | End Function |
125 | ' ' Summary: |
126 | ' Computes the StandardDeviation of a sequence of nullable System.Single values. |
127 | ' ' Parameters: |
128 | ' source: |
129 | ' A sequence of nullable System.Single values to calculate the StandardDeviation of. |
130 | ' ' Returns: |
131 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
132 | ' empty or contains only values that are null. |
133 | ' ' Exceptions: |
134 | ' System.ArgumentNullException: |
135 | ' source is null. |
136 | <Extension> |
137 | Public Function StandardDeviation(source As IEnumerable(Of Single?)) As Single |
138 | Dim values As IEnumerable(Of Single) = source.Coalesce() |
139 | If values.Any() Then |
140 | Return values.StandardDeviation() |
141 | End If |
142 | |
143 | Return Nothing |
144 | End Function |
145 | ' ' Summary: |
146 | ' Computes the StandardDeviation of a sequence of System.Single values. |
147 | ' ' Parameters: |
148 | ' source: |
149 | ' A sequence of System.Single values to calculate the StandardDeviation of. |
150 | ' ' Returns: |
151 | ' The StandardDeviation of the sequence of values. |
152 | ' ' Exceptions: |
153 | ' System.ArgumentNullException: |
154 | ' source is null. |
155 | ' ' System.InvalidOperationException: |
156 | ' source contains no elements. |
157 | <Extension> |
158 | Public Function StandardDeviation(source As IEnumerable(Of Single)) As Single |
159 | Return CSng(source.[Select](Function(x) CDbl(x)).StandardDeviation()) |
160 | End Function |
161 | ' ' Summary: |
162 | ' Computes the StandardDeviation of a sequence of nullable System.Int32 values. |
163 | ' ' Parameters: |
164 | ' source: |
165 | ' A sequence of nullable System.Int32values to calculate the StandardDeviation of. |
166 | ' ' Returns: |
167 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
168 | ' empty or contains only values that are null. |
169 | ' ' Exceptions: |
170 | ' System.ArgumentNullException: |
171 | ' source is null. |
172 | ' ' System.OverflowException: |
173 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
174 | <Extension> |
175 | Public Function StandardDeviation(source As IEnumerable(Of Integer?)) As Double |
176 | Dim values As IEnumerable(Of Double) = source.Where(Function(d) d.HasValue).[Select](Function(x) CDbl(x)) |
177 | If values.Any() Then |
178 | Return values.StandardDeviation() |
179 | End If |
180 | |
181 | Return Nothing |
182 | End Function |
183 | ' ' Summary: |
184 | ' Computes the StandardDeviation of a sequence of System.Int32 values. |
185 | ' ' Parameters: |
186 | ' source: |
187 | ' A sequence of System.Int32 values to calculate the StandardDeviation of. |
188 | ' ' Returns: |
189 | ' The StandardDeviation of the sequence of values. |
190 | ' ' Exceptions: |
191 | ' System.ArgumentNullException: |
192 | ' source is null. |
193 | ' ' System.InvalidOperationException: |
194 | ' source contains no elements. |
195 | ' ' System.OverflowException: |
196 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
197 | <Extension> |
198 | Public Function StandardDeviation(source As IEnumerable(Of Integer)) As Double |
199 | Return source.[Select](Function(x) CDbl(x)).StandardDeviation() |
200 | End Function |
201 | ' ' Summary: |
202 | ' Computes the StandardDeviation of a sequence of nullable System.Int64 values. |
203 | ' ' Parameters: |
204 | ' source: |
205 | ' A sequence of nullable System.Int64 values to calculate the StandardDeviation of. |
206 | ' ' Returns: |
207 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
208 | ' empty or contains only values that are null. |
209 | ' ' Exceptions: |
210 | ' System.ArgumentNullException: |
211 | ' source is null. |
212 | ' ' System.OverflowException: |
213 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
214 | <Extension> |
215 | Public Function StandardDeviation(source As IEnumerable(Of Long?)) As Double |
216 | Dim values As IEnumerable(Of Long) = source.Coalesce() |
217 | If values.Any() Then |
218 | Return values.StandardDeviation() |
219 | End If |
220 | |
221 | Return Nothing |
222 | End Function |
223 | ' ' Summary: |
224 | ' Computes the StandardDeviation of a sequence of System.Int64 values. |
225 | ' ' Parameters: |
226 | ' source: |
227 | ' A sequence of System.Int64 values to calculate the StandardDeviation of. |
228 | ' ' Returns: |
229 | ' The StandardDeviation of the sequence of values. |
230 | ' ' Exceptions: |
231 | ' System.ArgumentNullException: |
232 | ' source is null. |
233 | ' ' System.InvalidOperationException: |
234 | ' source contains no elements. |
235 | ' ' System.OverflowException: |
236 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
237 | <Extension> |
238 | Public Function StandardDeviation(source As IEnumerable(Of Long)) As Double |
239 | Return source.[Select](Function(x) CDbl(x)).StandardDeviation() |
240 | End Function |
241 | ' ' Summary: |
242 | ' Computes the StandardDeviation of a sequence of nullable System.Decimal values that |
243 | ' are obtained by invoking a transform function on each element of the input |
244 | ' sequence. |
245 | ' ' Parameters: |
246 | ' source: |
247 | ' A sequence of values to calculate the StandardDeviation of. |
248 | ' ' selector: |
249 | ' A transform function to apply to each element. |
250 | ' ' Type parameters: |
251 | ' TSource: |
252 | ' The type of the elements of source. |
253 | ' ' Returns: |
254 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
255 | ' empty or contains only values that are null. |
256 | ' ' Exceptions: |
257 | ' System.ArgumentNullException: |
258 | ' source or selector is null. |
259 | ' ' System.OverflowException: |
260 | ' The sum of the elements in the sequence is larger than System.Decimal.MaxValue. |
261 | <Extension> |
262 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Decimal?)) As Decimal |
263 | Return source.[Select](selector).StandardDeviation() |
264 | End Function |
265 | ' ' Summary: |
266 | ' Computes the StandardDeviation of a sequence of System.Decimal values that are obtained |
267 | ' by invoking a transform function on each element of the input sequence. |
268 | ' ' Parameters: |
269 | ' source: |
270 | ' A sequence of values that are used to calculate an StandardDeviation. |
271 | ' ' selector: |
272 | ' A transform function to apply to each element. |
273 | ' ' Type parameters: |
274 | ' TSource: |
275 | ' The type of the elements of source. |
276 | ' ' Returns: |
277 | ' The StandardDeviation of the sequence of values. |
278 | ' ' Exceptions: |
279 | ' System.ArgumentNullException: |
280 | ' source or selector is null. |
281 | ' ' System.InvalidOperationException: |
282 | ' source contains no elements. |
283 | ' ' System.OverflowException: |
284 | ' The sum of the elements in the sequence is larger than System.Decimal.MaxValue. |
285 | <Extension> |
286 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Decimal)) As Decimal |
287 | Return source.[Select](selector).StandardDeviation() |
288 | End Function |
289 | ' ' Summary: |
290 | ' Computes the StandardDeviation of a sequence of nullable System.Double values that |
291 | ' are obtained by invoking a transform function on each element of the input |
292 | ' sequence. |
293 | ' ' Parameters: |
294 | ' source: |
295 | ' A sequence of values to calculate the StandardDeviation of. |
296 | ' ' selector: |
297 | ' A transform function to apply to each element. |
298 | ' ' Type parameters: |
299 | ' TSource: |
300 | ' The type of the elements of source. |
301 | ' ' Returns: |
302 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
303 | ' empty or contains only values that are null. |
304 | ' ' Exceptions: |
305 | ' System.ArgumentNullException: |
306 | ' source or selector is null. |
307 | <Extension> |
308 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Double?)) As Double |
309 | Return source.[Select](selector).StandardDeviation() |
310 | End Function |
311 | ' ' Summary: |
312 | ' Computes the StandardDeviation of a sequence of System.Double values that are obtained |
313 | ' by invoking a transform function on each element of the input sequence. |
314 | ' ' Parameters: |
315 | ' source: |
316 | ' A sequence of values to calculate the StandardDeviation of. |
317 | ' ' selector: |
318 | ' A transform function to apply to each element. |
319 | ' ' Type parameters: |
320 | ' TSource: |
321 | ' The type of the elements of source. |
322 | ' ' Returns: |
323 | ' The StandardDeviation of the sequence of values. |
324 | ' ' Exceptions: |
325 | ' System.ArgumentNullException: |
326 | ' source or selector is null. |
327 | ' ' System.InvalidOperationException: |
328 | ' source contains no elements. |
329 | <Extension> |
330 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Double)) As Double |
331 | Return source.[Select](selector).StandardDeviation() |
332 | End Function |
333 | ' ' Summary: |
334 | ' Computes the StandardDeviation of a sequence of nullable System.Single values that |
335 | ' are obtained by invoking a transform function on each element of the input |
336 | ' sequence. |
337 | ' ' Parameters: |
338 | ' source: |
339 | ' A sequence of values to calculate the StandardDeviation of. |
340 | ' ' selector: |
341 | ' A transform function to apply to each element. |
342 | ' ' Type parameters: |
343 | ' TSource: |
344 | ' The type of the elements of source. |
345 | ' ' Returns: |
346 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
347 | ' empty or contains only values that are null. |
348 | ' ' Exceptions: |
349 | ' System.ArgumentNullException: |
350 | ' source or selector is null. |
351 | <Extension> |
352 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Single?)) As Single |
353 | Return source.[Select](selector).StandardDeviation() |
354 | End Function |
355 | ' ' Summary: |
356 | ' Computes the StandardDeviation of a sequence of System.Single values that are obtained |
357 | ' by invoking a transform function on each element of the input sequence. |
358 | ' ' Parameters: |
359 | ' source: |
360 | ' A sequence of values to calculate the StandardDeviation of. |
361 | ' ' selector: |
362 | ' A transform function to apply to each element. |
363 | ' ' Type parameters: |
364 | ' TSource: |
365 | ' The type of the elements of source. |
366 | ' ' Returns: |
367 | ' The StandardDeviation of the sequence of values. |
368 | ' ' Exceptions: |
369 | ' System.ArgumentNullException: |
370 | ' source or selector is null. |
371 | ' ' System.InvalidOperationException: |
372 | ' source contains no elements. |
373 | <Extension> |
374 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Single)) As Single |
375 | Return source.[Select](selector).StandardDeviation() |
376 | End Function |
377 | ' ' Summary: |
378 | ' Computes the StandardDeviation of a sequence of nullable System.Int32 values that are |
379 | ' obtained by invoking a transform function on each element of the input sequence. |
380 | ' ' Parameters: |
381 | ' source: |
382 | ' A sequence of values to calculate the StandardDeviation of. |
383 | ' ' selector: |
384 | ' A transform function to apply to each element. |
385 | ' ' Type parameters: |
386 | ' TSource: |
387 | ' The type of the elements of source. |
388 | ' ' Returns: |
389 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
390 | ' empty or contains only values that are null. |
391 | ' ' Exceptions: |
392 | ' System.ArgumentNullException: |
393 | ' source or selector is null. |
394 | ' ' System.OverflowException: |
395 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
396 | <Extension> |
397 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Integer?)) As Double |
398 | Return source.[Select](selector).StandardDeviation() |
399 | End Function |
400 | ' ' Summary: |
401 | ' Computes the StandardDeviation of a sequence of System.Int32 values that are obtained |
402 | ' by invoking a transform function on each element of the input sequence. |
403 | ' ' Parameters: |
404 | ' source: |
405 | ' A sequence of values to calculate the StandardDeviation of. |
406 | ' ' selector: |
407 | ' A transform function to apply to each element. |
408 | ' ' Type parameters: |
409 | ' TSource: |
410 | ' The type of the elements of source. |
411 | ' ' Returns: |
412 | ' The StandardDeviation of the sequence of values. |
413 | ' ' Exceptions: |
414 | ' System.ArgumentNullException: |
415 | ' source or selector is null. |
416 | ' ' System.InvalidOperationException: |
417 | ' source contains no elements. |
418 | ' ' System.OverflowException: |
419 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
420 | <Extension> |
421 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Integer)) As Double |
422 | Return source.[Select](selector).StandardDeviation() |
423 | End Function |
424 | ' ' Summary: |
425 | ' Computes the StandardDeviation of a sequence of nullable System.Int64 values that are |
426 | ' obtained by invoking a transform function on each element of the input sequence. |
427 | ' ' Parameters: |
428 | ' source: |
429 | ' A sequence of values to calculate the StandardDeviation of. |
430 | ' ' selector: |
431 | ' A transform function to apply to each element. |
432 | ' ' Type parameters: |
433 | ' TSource: |
434 | ' The type of the elements of source. |
435 | ' ' Returns: |
436 | ' The StandardDeviation of the sequence of values, or null if the source sequence is |
437 | ' empty or contains only values that are null. |
438 | <Extension> |
439 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Long?)) As Double |
440 | Return source.[Select](selector).StandardDeviation() |
441 | End Function |
442 | ' ' Summary: |
443 | ' Computes the StandardDeviation of a sequence of System.Int64 values that are obtained |
444 | ' by invoking a transform function on each element of the input sequence. |
445 | ' ' Parameters: |
446 | ' source: |
447 | ' A sequence of values to calculate the StandardDeviation of. |
448 | ' ' selector: |
449 | ' A transform function to apply to each element. |
450 | ' ' Type parameters: |
451 | ' TSource: |
452 | ' The type of the elements of source. |
453 | ' ' Returns: |
454 | ' The StandardDeviation of the sequence of values. |
455 | ' ' Exceptions: |
456 | ' System.ArgumentNullException: |
457 | ' source or selector is null. |
458 | ' ' System.InvalidOperationException: |
459 | ' source contains no elements. |
460 | ' ' System.OverflowException: |
461 | ' The sum of the elements in the sequence is larger than System.Int64.MaxValue. |
462 | <Extension> |
463 | Public Function StandardDeviation(Of TSource)(source As IEnumerable(Of TSource), selector As Func(Of TSource, Long)) As Double |
464 | Return source.[Select](selector).StandardDeviation() |
465 | End Function |
466 | End Module |
467 | End Namespace |