Check for undefined variables.
1 | <?php |
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2 | /** |
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3 | * |
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4 | * (c) Ruben Dorado <[email protected]> |
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5 | * |
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6 | * For the full copyright and license information, please view the LICENSE |
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7 | * file that was distributed with this source code. |
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8 | */ |
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9 | namespace SiteAnalyzer; |
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10 | /** |
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11 | * class CategoricalDataset |
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12 | * |
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13 | * @package SiteAnalyzer |
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14 | * @author Ruben Dorado <[email protected]> |
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15 | * @copyright 2018 Ruben Dorado |
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16 | * @license http://www.opensource.org/licenses/MIT The MIT License |
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17 | */ |
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18 | class CategoricalDataset |
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19 | { |
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20 | |||
21 | /* |
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22 | * @param |
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23 | */ |
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24 | function __construct($data) |
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25 | { |
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26 | $this->data = $data; |
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27 | } |
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28 | |||
29 | /* |
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30 | * @param |
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31 | */ |
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32 | function setEncodedFeatures($array) |
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33 | { |
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34 | $array = sort($array); |
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35 | $this->encodedValues = []; |
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36 | $this->sortedEncodedFeatures = $array; |
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37 | $this->newEncodedSize = count($array); |
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38 | foreach($this->sortedEncodedFeatures as $col){ |
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39 | $vals = $this->getUniqueValues($col); |
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40 | $this->encodedValues[] = $vals; |
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41 | $this->featIndexMap[$col] = count($vals); |
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42 | $this->featEncode[$col] = $this->encodeFeature(count($vals)); |
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43 | //$this->featDecode[$col] = function($val, $arr){ return $this->getDecodedFeature($val, $arr, ); } |
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44 | //$this->newEncodedSize += count($vals)-1; |
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45 | } |
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46 | |||
47 | /*for ($i=0;$i<$this->newEncodedSize:$i++) { |
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48 | |||
49 | }*/ |
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50 | } |
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51 | |||
52 | /* |
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53 | * @param |
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54 | */ |
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55 | function getUniqueValues($col) |
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56 | { |
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57 | $resp = []; |
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58 | $resp = Matrix::getColumn($data, $col); |
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59 | $resp = array_unique($resp); |
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60 | return $resp; |
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61 | } |
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62 | |||
63 | |||
64 | /* |
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65 | * @param |
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66 | */ |
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67 | function encodeFeature($size) |
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68 | { |
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69 | $resp = []; |
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70 | for ($i=0;$i<$size;$i++) { |
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71 | $tmp = array_fill(0, $size, 0); |
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72 | $tmp[$i] = 1; |
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73 | $resp[] = $tmp; |
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74 | } |
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75 | return $resp; |
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76 | } |
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77 | |||
78 | /* |
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79 | * @param |
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80 | */ |
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81 | function encode(){ |
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82 | $transformer = []; |
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83 | $ndata = []; |
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84 | for ($j=0; $j<$ndim; $j++) { |
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85 | $transformer[] = function($val){ return [$val]; }; |
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86 | } |
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87 | foreach($this->sortedEncodedFeatures as $col) { |
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88 | $transformer[$col] = function($val) { return $this->featEncode[$col][$val]; }; |
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89 | } |
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90 | $ndata = []; |
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91 | for ($i=0; $i<$npoints; $i++) { |
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92 | $npoint = []; |
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93 | for ($j=0; $j<$ndim; $j++) { |
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94 | $npoint += $transformer[$j]($data[$i][$j]); |
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95 | } |
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96 | $ndata[] = $npoint; |
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97 | } |
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98 | return $ndata; |
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99 | } |
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100 | |||
101 | /* |
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102 | * @param |
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103 | * |
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104 | function decode($ndata){ |
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105 | $resp = []; |
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106 | foreach ($ndata as $row) { |
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107 | $resp[] = $this->decodeRow($row); |
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108 | } |
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109 | return $resp; |
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110 | } |
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111 | |||
112 | /* |
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113 | * @param |
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114 | * |
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115 | function decodeRow($row){ |
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116 | $resp = []; |
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117 | $n = count($row); |
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118 | for ($i=0; $i<$n; $i++) { |
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119 | $resp[] = $this->decodeFeature($i, $row); |
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120 | } |
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121 | return $resp; |
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122 | }*/ |
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123 | |||
124 | } |
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125 |