| 1 | #ifndef theplu_yat_statistics_pearson_distance_h |
|---|
| 2 | #define theplu_yat_statistics_pearson_distance_h |
|---|
| 3 | |
|---|
| 4 | // $Id: pearson_distance.h 1050 2008-02-07 18:47:34Z peter $ |
|---|
| 5 | |
|---|
| 6 | /* |
|---|
| 7 | Copyright (C) 2007 Peter Johansson, Markus Ringnér |
|---|
| 8 | Copyright (C) 2008 Peter Johansson |
|---|
| 9 | |
|---|
| 10 | This file is part of the yat library, http://trac.thep.lu.se/yat |
|---|
| 11 | |
|---|
| 12 | The yat library is free software; you can redistribute it and/or |
|---|
| 13 | modify it under the terms of the GNU General Public License as |
|---|
| 14 | published by the Free Software Foundation; either version 2 of the |
|---|
| 15 | License, or (at your option) any later version. |
|---|
| 16 | |
|---|
| 17 | The yat library is distributed in the hope that it will be useful, |
|---|
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 20 | General Public License for more details. |
|---|
| 21 | |
|---|
| 22 | You should have received a copy of the GNU General Public License |
|---|
| 23 | along with this program; if not, write to the Free Software |
|---|
| 24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
|---|
| 25 | 02111-1307, USA. |
|---|
| 26 | */ |
|---|
| 27 | |
|---|
| 28 | #include "AveragerPair.h" |
|---|
| 29 | #include "AveragerPairWeighted.h" |
|---|
| 30 | #include "yat/utility/iterator_traits.h" |
|---|
| 31 | |
|---|
| 32 | namespace theplu { |
|---|
| 33 | namespace yat { |
|---|
| 34 | namespace statistics { |
|---|
| 35 | |
|---|
| 36 | struct PearsonDistance |
|---|
| 37 | { |
|---|
| 38 | template <typename Iter1, typename Iter2> |
|---|
| 39 | double operator() |
|---|
| 40 | (Iter1 beg1,Iter1 end1, Iter2 beg2) const |
|---|
| 41 | { |
|---|
| 42 | return this->distance(beg1, end1, beg2, |
|---|
| 43 | typename utility::weighted_if_any2<Iter1,Iter2>::type()); |
|---|
| 44 | } |
|---|
| 45 | |
|---|
| 46 | private: |
|---|
| 47 | template <typename Iter1, typename Iter2> |
|---|
| 48 | double distance (Iter1 beg1,Iter1 end1, Iter2 beg2, |
|---|
| 49 | utility::unweighted_type) const |
|---|
| 50 | { |
|---|
| 51 | AveragerPairWeighted ap; |
|---|
| 52 | add(ap,beg1,end1,beg2); |
|---|
| 53 | return 1-ap.correlation(); |
|---|
| 54 | } |
|---|
| 55 | |
|---|
| 56 | template <typename Iter1, typename Iter2> |
|---|
| 57 | double distance (Iter1 beg1,Iter1 end1, Iter2 beg2, |
|---|
| 58 | utility::weighted_type) const |
|---|
| 59 | { |
|---|
| 60 | AveragerPairWeighted ap; |
|---|
| 61 | add(ap,beg1,end1,beg2); |
|---|
| 62 | return 1-ap.correlation(); |
|---|
| 63 | } |
|---|
| 64 | |
|---|
| 65 | }; |
|---|
| 66 | |
|---|
| 67 | }}} // of namespace statistics, yat, and theplu |
|---|
| 68 | |
|---|
| 69 | #endif |
|---|
