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1 NAME
2 FingerprintsBitVector
3
4 SYNOPSIS
5 use Fingerprints::FingerprintsBitVector;
6
7 use Fingerprints::FingerprintsBitVector qw(:coefficients);
8
9 use Fingerprints::FingerprintsBitVector qw(:all);
10
11 DESCRIPTION
12 FingerprintsBitVector class provides the following methods:
13
14 new, BaroniUrbaniSimilarityCoefficient, BuserSimilarityCoefficient,
15 CosineSimilarityCoefficient, DennisSimilarityCoefficient,
16 DiceSimilarityCoefficient, FoldFingerprintsBitVectorByDensity,
17 FoldFingerprintsBitVectorBySize, ForbesSimilarityCoefficient,
18 FossumSimilarityCoefficient, GetBitsAsBinaryString,
19 GetBitsAsDecimalString, GetBitsAsHexadecimalString,
20 GetBitsAsOctalString, GetBitsAsRawBinaryString, GetDescription,
21 GetFingerprintsBitDensity, GetID, GetSpecifiedSize,
22 GetSupportedSimilarityCoefficients, GetVectorType,
23 HamannSimilarityCoefficient, IsFingerprintsBitVector, IsSubSet,
24 JacardSimilarityCoefficient, Kulczynski1SimilarityCoefficient,
25 Kulczynski2SimilarityCoefficient, MatchingSimilarityCoefficient,
26 McConnaugheySimilarityCoefficient, NewFromBinaryString,
27 NewFromDecimalString, NewFromHexadecimalString, NewFromOctalString,
28 NewFromRawBinaryString, OchiaiSimilarityCoefficient,
29 PearsonSimilarityCoefficient, RogersTanimotoSimilarityCoefficient,
30 RussellRaoSimilarityCoefficient, SetDescription, SetID,
31 SetSpecifiedSize, SetVectorType, SimpsonSimilarityCoefficient,
32 SkoalSneath1SimilarityCoefficient, SkoalSneath2SimilarityCoefficient,
33 SkoalSneath3SimilarityCoefficient, StringifyFingerprintsBitVector,
34 TanimotoSimilarityCoefficient, TverskySimilarityCoefficient,
35 WeightedTanimotoSimilarityCoefficient,
36 WeightedTverskySimilarityCoefficient, YuleSimilarityCoefficient
37
38 The methods available to create fingerprints bit vector from strings and
39 to calculate similarity coefficient between two bit vectors can also be
40 invoked as class functions.
41
42 FingerprintsBitVector class is derived from BitVector class which
43 provides the functionality to manipulate bits.
44
45 For two fingerprints bit vectors A and B of same size, let:
46
47 Na = Number of bits set to "1" in A
48 Nb = Number of bits set to "1" in B
49 Nc = Number of bits set to "1" in both A and B
50 Nd = Number of bits set to "0" in both A and B
51
52 Nt = Number of bits set to "1" or "0" in A or B (Size of A or B)
53 Nt = Na + Nb - Nc + Nd
54
55 Na - Nc = Number of bits set to "1" in A but not in B
56 Nb - Nc = Number of bits set to "1" in B but not in A
57
58 Then, various similarity coefficients [ Ref. 40 - 42 ] for a pair of bit
59 vectors A and B are defined as follows:
60
61 BaroniUrbani: ( SQRT( Nc * Nd ) + Nc ) / ( SQRT ( Nc * Nd ) + Nc + ( Na
62 - Nc ) + ( Nb - Nc ) ) ( same as Buser )
63
64 Buser: ( SQRT ( Nc * Nd ) + Nc ) / ( SQRT ( Nc * Nd ) + Nc + ( Na - Nc )
65 + ( Nb - Nc ) ) ( same as BaroniUrbani )
66
67 Cosine: Nc / SQRT ( Na * Nb ) (same as Ochiai)
68
69 Dice: (2 * Nc) / ( Na + Nb )
70
71 Dennis: ( Nc * Nd - ( ( Na - Nc ) * ( Nb - Nc ) ) ) / SQRT ( Nt * Na *
72 Nb)
73
74 Forbes: ( Nt * Nc ) / ( Na * Nb )
75
76 Fossum: ( Nt * ( ( Nc - 1/2 ) ** 2 ) / ( Na * Nb )
77
78 Hamann: ( ( Nc + Nd ) - ( Na - Nc ) - ( Nb - Nc ) ) / Nt
79
80 Jaccard: Nc / ( ( Na - Nc) + ( Nb - Nc ) + Nc ) = Nc / ( Na + Nb - Nc )
81 (same as Tanimoto)
82
83 Kulczynski1: Nc / ( ( Na - Nc ) + ( Nb - Nc) ) = Nc / ( Na + Nb - 2Nc )
84
85 Kulczynski2: ( ( Nc / 2 ) * ( 2 * Nc + ( Na - Nc ) + ( Nb - Nc) ) ) / (
86 ( Nc + ( Na - Nc ) ) * ( Nc + ( Nb - Nc ) ) ) = 0.5 * ( Nc / Na + Nc /
87 Nb )
88
89 Matching: ( Nc + Nd ) / Nt
90
91 McConnaughey: ( Nc ** 2 - ( Na - Nc ) * ( Nb - Nc) ) / ( Na * Nb )
92
93 Ochiai: Nc / SQRT ( Na * Nb ) (same as Cosine)
94
95 Pearson: ( ( Nc * Nd ) - ( ( Na - Nc ) * ( Nb - Nc ) ) / SQRT ( Na * Nb
96 * ( Na - Nc + Nd ) * ( Nb - Nc + Nd ) )
97
98 RogersTanimoto: ( Nc + Nd ) / ( ( Na - Nc) + ( Nb - Nc) + Nt) = ( Nc +
99 Nd ) / ( Na + Nb - 2Nc + Nt)
100
101 RussellRao: Nc / Nt
102
103 Simpson: Nc / MIN ( Na, Nb)
104
105 SkoalSneath1: Nc / ( Nc + 2 * ( Na - Nc) + 2 * ( Nb - Nc) ) = Nc / ( 2 *
106 Na + 2 * Nb - 3 * Nc )
107
108 SkoalSneath2: ( 2 * Nc + 2 * Nd ) / ( Nc + Nd + Nt )
109
110 SkoalSneath3: ( Nc + Nd ) / ( ( Na - Nc ) + ( Nb - Nc ) ) = ( Nc + Nd )
111 / ( Na + Nb - 2 * Nc )
112
113 Tanimoto: Nc / ( ( Na - Nc) + ( Nb - Nc ) + Nc ) = Nc / ( Na + Nb - Nc )
114 (same as Jaccard)
115
116 Tversky: Nc / ( alpha * ( Na - Nc ) + ( 1 - alpha) * ( Nb - Nc) + Nc ) =
117 Nc / ( alpha * ( Na - Nb ) + Nb)
118
119 Yule: ( ( Nc * Nd ) - ( ( Na - Nc ) * ( Nb - Nc ) ) ) / ( ( Nc * Nd ) +
120 ( ( Na - Nc ) * ( Nb - Nc ) ) )
121
122 The values of Tanimoto/Jaccard and Tversky coefficients are dependent on
123 only those bit which are set to "1" in both A and B. In order to take
124 into account all bit positions, modified versions of Tanimoto [ Ref. 42
125 ] and Tversky [ Ref. 43 ] have been developed.
126
127 Let:
128
129 Na' = Number of bits set to "0" in A
130 Nb' = Number of bits set to "0" in B
131 Nc' = Number of bits set to "0" in both A and B
132
133 Tanimoto': Nc' / ( ( Na' - Nc') + ( Nb' - Nc' ) + Nc' ) = Nc' / ( Na' +
134 Nb' - Nc' )
135
136 Tversky': Nc' / ( alpha * ( Na' - Nc' ) + ( 1 - alpha) * ( Nb' - Nc' ) +
137 Nc' ) = Nc' / ( alpha * ( Na' - Nb' ) + Nb')
138
139 Then:
140
141 WeightedTanimoto = beta * Tanimoto + (1 - beta) * Tanimoto'
142
143 WeightedTversky = beta * Tversky + (1 - beta) * Tversky'
144
145 METHODS
146 new
147 $NewFPBitVector = new Fingerprints::FingerprintsBitVector($Size);
148
149 Creates a new *FingerprintsBitVector* object of size *Size* and
150 returns newly created FingerprintsBitVector. Bit numbers range from
151 0 to 1 less than *Size*.
152
153 BaroniUrbaniSimilarityCoefficient
154 $Value = $FingerprintsBitVector->BaroniUrbaniSimilarityCoefficient(
155 $OtherFingerprintBitVector);
156 $Value = Fingerprints::FingerprintsBitVector::
157 BaroniUrbaniSimilarityCoefficient(
158 $FingerprintsBitVectorA, $FingerprintBitVectorB);
159
160 Returns value of *BaroniUrbani* similarity coefficient between two
161 same size *FingerprintsBitVectors*.
162
163 BuserSimilarityCoefficient
164 $Value = $FingerprintsBitVector->BuserSimilarityCoefficient(
165 $OtherFingerprintBitVector);
166 $Value = Fingerprints::FingerprintsBitVector::BuserSimilarityCoefficient(
167 $FingerprintsBitVectorA, $FingerprintBitVectorB);
168
169 Returns value of *Buser* similarity coefficient between two same
170 size *FingerprintsBitVectors*.
171
172 CosineSimilarityCoefficient
173 $Value = $FingerprintsBitVector->CosineSimilarityCoefficient(
174 $OtherFingerprintBitVector);
175 $Value = Fingerprints::FingerprintsBitVector::CosineSimilarityCoefficient(
176 $FingerprintsBitVectorA, $FingerprintBitVectorB);
177
178 Returns value of *Cosine* similarity coefficient between two same
179 size *FingerprintsBitVectors*.
180
181 DennisSimilarityCoefficient
182 $Value = $FingerprintsBitVector->DennisSimilarityCoefficient(
183 $OtherFingerprintBitVector);
184 $Value = Fingerprints::FingerprintsBitVector::DennisSimilarityCoefficient(
185 $FingerprintsBitVectorA, $FingerprintBitVectorB);
186
187 Returns value of *Dennis* similarity coefficient between two same
188 size *FingerprintsBitVectors*.
189
190 DiceSimilarityCoefficient
191 $Value = $FingerprintsBitVector->DiceSimilarityCoefficient(
192 $OtherFingerprintBitVector);
193 $Value = Fingerprints::FingerprintsBitVector::DiceSimilarityCoefficient(
194 $FingerprintsBitVectorA, $FingerprintBitVectorB);
195
196 Returns value of *Dice* similarity coefficient between two same size
197 *FingerprintsBitVectors*.
198
199 FoldFingerprintsBitVectorByDensity
200 $FingerprintsBitVector->FoldFingerprintsBitVectorByDensity($Density);
201
202 Folds *FingerprintsBitVector* by recursively reducing its size by
203 half until bit density of set bits is greater than or equal to
204 specified *Density* and returns folded *FingerprintsBitVector*.
205
206 FoldFingerprintsBitVectorBySize
207 $FingerprintsBitVector->FoldFingerprintsBitVectorBySize($Size);
208
209 Folds *FingerprintsBitVector* by recursively reducing its size by
210 half until size is less than or equal to specified *Size* and
211 returns folded *FingerprintsBitVector*.
212
213 ForbesSimilarityCoefficient
214 $Value = $FingerprintsBitVector->ForbesSimilarityCoefficient(
215 $OtherFingerprintBitVector);
216 $Value = Fingerprints::FingerprintsBitVector::ForbesSimilarityCoefficient(
217 $FingerprintsBitVectorA, $FingerprintBitVectorB);
218
219 Returns value of *Forbes* similarity coefficient between two same
220 size *FingerprintsBitVectors*.
221
222 FossumSimilarityCoefficient
223 $Value = $FingerprintsBitVector->FossumSimilarityCoefficient(
224 $OtherFingerprintBitVector);
225 $Value = Fingerprints::FingerprintsBitVector::FossumSimilarityCoefficient(
226 $FingerprintsBitVectorA, $FingerprintBitVectorB);
227
228 Returns value of *Fossum* similarity coefficient between two same
229 size *FingerprintsBitVectors*.
230
231 GetBitsAsBinaryString
232 $BinaryASCIIString = $FingerprintsBitVector->GetBitsAsBinaryString();
233
234 Returns fingerprints as a binary ASCII string containing 0s and 1s.
235
236 GetBitsAsHexadecimalString
237 $HexadecimalString = $FingerprintsBitVector->GetBitsAsHexadecimalString();
238
239 Returns fingerprints as a hexadecimal string.
240
241 GetBitsAsRawBinaryString
242 $RawBinaryString = $FingerprintsBitVector->GetBitsAsRawBinaryString();
243
244 Returns fingerprints as a raw binary string containing packed bit
245 values for each byte.
246
247 GetDescription
248 $Description = $FingerprintsBitVector->GetDescription();
249
250 Returns a string containing description of fingerprints bit vector.
251
252 GetFingerprintsBitDensity
253 $BitDensity = $FingerprintsBitVector->GetFingerprintsBitDensity();
254
255 Returns *BitDensity* of *FingerprintsBitVector* corresponding to
256 bits set to 1s.
257
258 GetID
259 $ID = $FingerprintsBitVector->GetID();
260
261 Returns *ID* of *FingerprintsBitVector*.
262
263 GetVectorType
264 $VectorType = $FingerprintsBitVector->GetVectorType();
265
266 Returns *VectorType* of *FingerprintsBitVector*.
267
268 GetSpecifiedSize
269 $Size = $FingerprintsBitVector->GetSpecifiedSize();
270
271 Returns value of specified size for bit vector.
272
273 GetSupportedSimilarityCoefficients
274 @SimilarityCoefficient =
275 Fingerprints::FingerprintsBitVector::GetSupportedSimilarityCoefficients();
276
277 Returns an array containing names of supported similarity
278 coefficients.
279
280 HamannSimilarityCoefficient
281 $Value = $FingerprintsBitVector->HamannSimilarityCoefficient(
282 $OtherFingerprintBitVector);
283 $Value = Fingerprints::FingerprintsBitVector::HamannSimilarityCoefficient(
284 $FingerprintsBitVectorA, $FingerprintBitVectorB);
285
286 Returns value of *Hamann* similarity coefficient between two same
287 size *FingerprintsBitVectors*.
288
289 IsFingerprintsBitVector
290 $Status = Fingerprints::FingerprintsBitVector::
291 IsFingerprintsBitVector($Object);
292
293 Returns 1 or 0 based on whether *Object* is a FingerprintsBitVector
294 object.
295
296 IsSubSet
297 $Status = $FingerprintsBitVector->IsSubSet($OtherFPBitVector);
298 $Status = Fingerprints::FingerprintsBitVector::IsSubSet(
299 $FPBitVectorA, $FPBitVectorB);
300
301 Returns 1 or 0 based on whether first firngerprints bit vector is a
302 subset of second fingerprints bit vector.
303
304 For a bit vector to be a subset of another bit vector, both vectors
305 must be of the same size and the bit positions set in first vector
306 must also be set in the second bit vector.
307
308 JacardSimilarityCoefficient
309 $Value = $FingerprintsBitVector->JacardSimilarityCoefficient(
310 $OtherFingerprintBitVector);
311 $Value = Fingerprints::FingerprintsBitVector::JacardSimilarityCoefficient(
312 $FingerprintsBitVectorA, $FingerprintBitVectorB);
313
314 Returns value of *Jacard* similarity coefficient between two same
315 size *FingerprintsBitVectors*.
316
317 Kulczynski1SimilarityCoefficient
318 $Value = $FingerprintsBitVector->Kulczynski1SimilarityCoefficient(
319 $OtherFingerprintBitVector);
320 $Value = Fingerprints::FingerprintsBitVector::
321 Kulczynski1SimilarityCoefficient(
322 $FingerprintsBitVectorA, $FingerprintBitVectorB);
323
324 Returns value of *Kulczynski1* similarity coefficient between two
325 same size *FingerprintsBitVectors*.
326
327 Kulczynski2SimilarityCoefficient
328 $Value = $FingerprintsBitVector->Kulczynski2SimilarityCoefficient(
329 $OtherFingerprintBitVector);
330 $Value = Fingerprints::FingerprintsBitVector::
331 Kulczynski2SimilarityCoefficient(
332 $FingerprintsBitVectorA, $FingerprintBitVectorB);
333
334 Returns value of *Kulczynski2* similarity coefficient between two
335 same size *FingerprintsBitVectors*.
336
337 MatchingSimilarityCoefficient
338 $Value = $FingerprintsBitVector->MatchingSimilarityCoefficient(
339 $OtherFingerprintBitVector);
340 $Value = Fingerprints::FingerprintsBitVector::
341 MatchingSimilarityCoefficient(
342 $FingerprintsBitVectorA, $FingerprintBitVectorB);
343
344 Returns value of *Matching* similarity coefficient between two same
345 size *FingerprintsBitVectors*.
346
347 McConnaugheySimilarityCoefficient
348 $Value = $FingerprintsBitVector->McConnaugheySimilarityCoefficient(
349 $OtherFingerprintBitVector);
350 $Value = Fingerprints::FingerprintsBitVector::
351 McConnaugheySimilarityCoefficient(
352 $FingerprintsBitVectorA, $FingerprintBitVectorB);
353
354 Returns value of *McConnaughey* similarity coefficient between two
355 same size *FingerprintsBitVectors*.
356
357 NewFromBinaryString
358 $NewFPBitVector = $FingerprintsBitVector->NewFromBinaryString(
359 $BinaryString);
360 $NewFPBitVector = Fingerprints::FingerprintsBitVector::NewFromBinaryString(
361 $BinaryString);
362
363 Creates a new *FingerprintsBitVector* using *BinaryString* and
364 returns new FingerprintsBitVector object.
365
366 NewFromHexadecimalString
367 $NewFPBitVector = $FingerprintsBitVector->NewFromHexadecimalString(
368 $HexdecimalString);
369 $NewFPBitVector = Fingerprints::FingerprintsBitVector::
370 NewFromHexadecimalString(
371 $HexdecimalString);
372
373 Creates a new *FingerprintsBitVector* using *HexdecimalString* and
374 returns new FingerprintsBitVector object.
375
376 NewFromRawBinaryString
377 $NewFPBitVector = $FingerprintsBitVector->NewFromRawBinaryString(
378 $RawBinaryString);
379 $NewFPBitVector = Fingerprints::FingerprintsBitVector::
380 NewFromRawBinaryString(
381 $RawBinaryString);
382
383 Creates a new *FingerprintsBitVector* using *RawBinaryString* and
384 returns new FingerprintsBitVector object.
385
386 OchiaiSimilarityCoefficient
387 $Value = $FingerprintsBitVector->OchiaiSimilarityCoefficient(
388 $OtherFingerprintBitVector);
389 $Value = Fingerprints::FingerprintsBitVector::OchiaiSimilarityCoefficient(
390 $FingerprintsBitVectorA, $FingerprintBitVectorB);
391
392 Returns value of *Ochiai* similarity coefficient between two same
393 size *FingerprintsBitVectors*.
394
395 PearsonSimilarityCoefficient
396 $Value = $FingerprintsBitVector->PearsonSimilarityCoefficient(
397 $OtherFingerprintBitVector);
398 $Value = Fingerprints::FingerprintsBitVector::PearsonSimilarityCoefficient(
399 $FingerprintsBitVectorA, $FingerprintBitVectorB);
400
401 Returns value of *Pearson* similarity coefficient between two same
402 size *FingerprintsBitVectors*.
403
404 RogersTanimotoSimilarityCoefficient
405 $Value = $FingerprintsBitVector->RogersTanimotoSimilarityCoefficient(
406 $OtherFingerprintBitVector);
407 $Value = Fingerprints::FingerprintsBitVector::
408 RogersTanimotoSimilarityCoefficient(
409 $FingerprintsBitVectorA, $FingerprintBitVectorB);
410
411 Returns value of *RogersTanimoto* similarity coefficient between two
412 same size *FingerprintsBitVectors*.
413
414 RussellRaoSimilarityCoefficient
415 $Value = $FingerprintsBitVector->RussellRaoSimilarityCoefficient(
416 $OtherFingerprintBitVector);
417 $Value = Fingerprints::FingerprintsBitVector::
418 RussellRaoSimilarityCoefficient(
419 $FingerprintsBitVectorA, $FingerprintBitVectorB);
420
421 Returns value of *RussellRao* similarity coefficient between two
422 same size *FingerprintsBitVectors*.
423
424 SetSpecifiedSize
425 $FingerprintsBitVector->SetSpecifiedSize($Size);
426
427 Sets specified size for fingerprints bit vector.
428
429 Irrespective of specified size, Perl functions used to handle bit
430 data in BitVector class automatically sets the size to the next
431 nearest power of 2. *SpecifiedSize* is used by FingerprintsBitVector
432 class to process any aribitray size during similarity coefficient
433 calculations.
434
435 SetDescription
436 $FingerprintsBitVector->SetDescription($Description);
437
438 Sets *Description* of fingerprints bit vector and returns
439 *FingerprintsBitVector*.
440
441 SetID
442 $FingerprintsBitVector->SetID($ID);
443
444 Sets *ID* of fingerprints bit vector and returns
445 *FingerprintsBitVector*.
446
447 SetVectorType
448 $FingerprintsBitVector->SetVectorType($VectorType);
449
450 Sets *VectorType* of fingerprints bit vector and returns
451 *FingerprintsBitVector*.
452
453 SimpsonSimilarityCoefficient
454 $Value = $FingerprintsBitVector->SimpsonSimilarityCoefficient(
455 $OtherFingerprintBitVector);
456 $Value = Fingerprints::FingerprintsBitVector::SimpsonSimilarityCoefficient(
457 $FingerprintsBitVectorA, $FingerprintBitVectorB);
458
459 Returns value of *Simpson* similarity coefficient between two same
460 size *FingerprintsBitVectors*.
461
462 SkoalSneath1SimilarityCoefficient
463 $Value = $FingerprintsBitVector->SkoalSneath1SimilarityCoefficient(
464 $OtherFingerprintBitVector);
465 $Value = Fingerprints::FingerprintsBitVector::
466 SkoalSneath1SimilarityCoefficient(
467 $FingerprintsBitVectorA, $FingerprintBitVectorB);
468
469 Returns value of *SkoalSneath1* similarity coefficient between two
470 same size *FingerprintsBitVectors*.
471
472 SkoalSneath2SimilarityCoefficient
473 $Value = $FingerprintsBitVector->SkoalSneath2SimilarityCoefficient(
474 $OtherFingerprintBitVector);
475 $Value = Fingerprints::FingerprintsBitVector::
476 SkoalSneath2SimilarityCoefficient(
477 $FingerprintsBitVectorA, $FingerprintBitVectorB);
478
479 Returns value of *SkoalSneath2* similarity coefficient between two
480 same size *FingerprintsBitVectors*.
481
482 SkoalSneath3SimilarityCoefficient
483 $Value = $FingerprintsBitVector->SkoalSneath3SimilarityCoefficient(
484 $OtherFingerprintBitVector);
485 $Value = Fingerprints::FingerprintsBitVector::
486 SkoalSneath3SimilarityCoefficient(
487 $FingerprintsBitVectorA, $FingerprintBitVectorB);
488
489 Returns value of *SkoalSneath3* similarity coefficient between two
490 same size *FingerprintsBitVectors*
491
492 StringifyFingerprintsBitVector
493 $String = $FingerprintsBitVector->StringifyFingerprintsBitVector();
494
495 Returns a string containing information about
496 *FingerprintsBitVector* object.
497
498 TanimotoSimilarityCoefficient
499 $Value = $FingerprintsBitVector->TanimotoSimilarityCoefficient(
500 $OtherFingerprintBitVector);
501 $Value = Fingerprints::FingerprintsBitVector::
502 TanimotoSimilarityCoefficient(
503 $FingerprintsBitVectorA, $FingerprintBitVectorB);
504
505 Returns value of *Tanimoto* similarity coefficient between two same
506 size *FingerprintsBitVectors*.
507
508 TverskySimilarityCoefficient
509 $Value = $FingerprintsBitVector->TverskySimilarityCoefficient(
510 $OtherFingerprintBitVector, $Alpha);
511 $Value = Fingerprints::FingerprintsBitVector::
512 TverskySimilarityCoefficient(
513 $FingerprintsBitVectorA, $FingerprintBitVectorB, $Alpha);
514
515 Returns value of *Tversky* similarity coefficient between two same
516 size *FingerprintsBitVectors*.
517
518 WeightedTanimotoSimilarityCoefficient
519 $Value =
520 $FingerprintsBitVector->WeightedTanimotoSimilarityCoefficient(
521 $OtherFingerprintBitVector, $Beta);
522 $Value =
523 Fingerprints::FingerprintsBitVector::
524 WeightedTanimotoSimilarityCoefficient(
525 $FingerprintsBitVectorA, $FingerprintBitVectorB, $Beta);
526
527 Returns value of *WeightedTanimoto* similarity coefficient between
528 two same size *FingerprintsBitVectors*.
529
530 WeightedTverskySimilarityCoefficient
531 $Value =
532 $FingerprintsBitVector->WeightedTverskySimilarityCoefficient(
533 $OtherFingerprintBitVector, $Alpha, $Beta);
534 $Value =
535 Fingerprints::FingerprintsBitVector::
536 WeightedTverskySimilarityCoefficient(
537 $FingerprintsBitVectorA, $FingerprintBitVectorB, $Alpha, $Beta);
538
539 Returns value of *WeightedTversky* similarity coefficient between
540 two same size *FingerprintsBitVectors*.
541
542 YuleSimilarityCoefficient
543 $Value = $FingerprintsBitVector->YuleSimilarityCoefficient(
544 $OtherFingerprintBitVector);
545 $Value = Fingerprints::FingerprintsBitVector::YuleSimilarityCoefficient(
546 $FingerprintsBitVectorA, $FingerprintBitVectorB);
547
548 Returns value of *Yule* similarity coefficient between two same size
549 *FingerprintsBitVectors*.
550
551 AUTHOR
552 Manish Sud <msud@san.rr.com>
553
554 SEE ALSO
555 BitVector.pm, FingerprintsStringUtil.pm, FingerprintsVector.pm,
556 Vector.pm
557
558 COPYRIGHT
559 Copyright (C) 2015 Manish Sud. All rights reserved.
560
561 This file is part of MayaChemTools.
562
563 MayaChemTools is free software; you can redistribute it and/or modify it
564 under the terms of the GNU Lesser General Public License as published by
565 the Free Software Foundation; either version 3 of the License, or (at
566 your option) any later version.
567