1 | // $Id: tTest.cc 779 2007-03-05 18:58:30Z peter $ |
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2 | |
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3 | /* |
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4 | Copyright (C) The authors contributing to this file. |
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5 | |
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6 | This file is part of the yat library, http://lev.thep.lu.se/trac/yat |
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7 | |
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8 | The yat library is free software; you can redistribute it and/or |
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9 | modify it under the terms of the GNU General Public License as |
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10 | published by the Free Software Foundation; either version 2 of the |
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11 | License, or (at your option) any later version. |
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12 | |
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13 | The yat library is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | General Public License for more details. |
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17 | |
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18 | You should have received a copy of the GNU General Public License |
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19 | along with this program; if not, write to the Free Software |
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20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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21 | 02111-1307, USA. |
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22 | */ |
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23 | |
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24 | #include "tTest.h" |
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25 | #include "tScore.h" |
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26 | //#include "Averager.h" |
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27 | //#include "AveragerWeighted.h" |
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28 | //#include "yat/classifier/DataLookupWeighted1D.h" |
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29 | //#include "yat/classifier/Target.h" |
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30 | //#include "yat/utility/vector.h" |
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31 | |
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32 | #include <cassert> |
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33 | #include <cmath> |
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34 | |
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35 | namespace theplu { |
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36 | namespace yat { |
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37 | namespace statistics { |
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38 | |
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39 | tTest::tTest(bool b) |
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40 | : t_(0) |
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41 | { |
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42 | } |
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43 | |
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44 | double tTest::score(const classifier::Target& target, |
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45 | const utility::vector& value) |
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46 | { |
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47 | tScore score; |
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48 | t_ = score.score(target, value, &dof_); |
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49 | return t_; |
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50 | } |
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51 | |
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52 | |
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53 | double tTest::score(const classifier::Target& target, |
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54 | const classifier::DataLookupWeighted1D& value) |
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55 | { |
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56 | tScore score; |
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57 | t_ = score.score(target, value, &dof_); |
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58 | return t_; |
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59 | } |
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60 | |
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61 | |
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62 | double tTest::score(const classifier::Target& target, |
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63 | const utility::vector& value, |
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64 | const utility::vector& weight) |
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65 | { |
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66 | tScore score; |
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67 | t_ = score.score(target, value, weight, &dof_); |
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68 | return t_; |
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69 | } |
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70 | |
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71 | double tTest::p_value(void) const |
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72 | { |
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73 | if (!dof_) |
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74 | return 1.0; |
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75 | return gsl_cdf_tdist_Q(t_, dof_); |
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76 | } |
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77 | |
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78 | }}} // of namespace statistics, yat, and theplu |
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