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1 <tool id="kcca1" name="Kernel Canonical Correlation Analysis" version="1.0.0">
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2 <description> </description>
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3 <requirements>
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4 <requirement type="package" version="1.0.3">rpy</requirement>
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5 <requirement type="package" version="2.11.0">R</requirement>
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6 <requirement type="package" version="0.1-4">kernlab</requirement>
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7 <requirement type="package" version="1.7.1">numpy</requirement>
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8 <requirement type="package" version="0.7.1">bx-python</requirement>
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9 </requirements>
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10 <command interpreter="python">
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11 kcca.py
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12 --input=$input1
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13 --output1=$out_file1
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14 --x_cols=$x_cols
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15 --y_cols=$y_cols
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16 --kernel=$kernelChoice.kernel
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17 --features=$features
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18 #if $kernelChoice.kernel == "rbfdot" or $kernelChoice.kernel == "anovadot":
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19 --sigma=$kernelChoice.sigma
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20 --degree="None"
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21 --scale="None"
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22 --offset="None"
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23 --order="None"
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24 #elif $kernelChoice.kernel == "polydot":
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25 --sigma="None"
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26 --degree=$kernelChoice.degree
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27 --scale=$kernelChoice.scale
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28 --offset=$kernelChoice.offset
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29 --order="None"
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30 #elif $kernelChoice.kernel == "tanhdot":
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31 --sigma="None"
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32 --degree="None"
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33 --scale=$kernelChoice.scale
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34 --offset=$kernelChoice.offset
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35 --order="None"
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36 #elif $kernelChoice.kernel == "besseldot":
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37 --sigma=$kernelChoice.sigma
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38 --degree=$kernelChoice.degree
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39 --scale="None"
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40 --offset="None"
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41 --order=$kernelChoice.order
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42 #elif $kernelChoice.kernel == "anovadot":
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43 --sigma=$kernelChoice.sigma
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44 --degree=$kernelChoice.degree
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45 --scale="None"
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46 --offset="None"
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47 --order="None"
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48 #else:
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49 --sigma="None"
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50 --degree="None"
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51 --scale="None"
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52 --offset="None"
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53 --order="None"
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54 #end if
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55 </command>
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56 <inputs>
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57 <param format="tabular" name="input1" type="data" label="Select data" help="Dataset missing? See TIP below."/>
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58 <param name="x_cols" label="Select columns containing X variables " type="data_column" data_ref="input1" numerical="True" multiple="true" >
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59 <validator type="no_options" message="Please select at least one column."/>
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60 </param>
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61 <param name="y_cols" label="Select columns containing Y variables " type="data_column" data_ref="input1" numerical="True" multiple="true" >
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62 <validator type="no_options" message="Please select at least one column."/>
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63 </param>
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64 <param name="features" size="10" type="integer" value="2" label="Number of canonical components to return" help="Enter an integer value greater than 0"/>
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65 <conditional name="kernelChoice">
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66 <param name="kernel" type="select" label="Kernel function">
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67 <option value="rbfdot" selected="true">Gaussian Radial Basis Function</option>
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68 <option value="polydot">Polynomial</option>
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69 <option value="vanilladot">Linear</option>
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70 <option value="tanhdot">Hyperbolic</option>
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71 <option value="laplacedot">Laplacian</option>
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72 <option value="besseldot">Bessel</option>
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73 <option value="anovadot">ANOVA Radial Basis Function</option>
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74 <option value="splinedot">Spline</option>
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75 </param>
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76 <when value="vanilladot" />
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77 <when value="splinedot" />
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78 <when value="rbfdot">
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79 <param name="sigma" size="10" type="float" value="1" label="sigma (inverse kernel width)" />
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80 </when>
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81 <when value="laplacedot">
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82 <param name="sigma" size="10" type="float" value="1" label="sigma (inverse kernel width)" />
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83 </when>
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84 <when value="polydot">
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85 <param name="degree" size="10" type="float" value="1" label="degree" />
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86 <param name="scale" size="10" type="float" value="1" label="scale" />
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87 <param name="offset" size="10" type="float" value="1" label="offset" />
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88 </when>
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89 <when value="tanhdot">
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90 <param name="scale" size="10" type="float" value="1" label="scale" />
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91 <param name="offset" size="10" type="float" value="1" label="offset" />
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92 </when>
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93 <when value="besseldot">
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94 <param name="sigma" size="10" type="float" value="1" label="sigma" />
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95 <param name="order" size="10" type="float" value="1" label="order" />
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96 <param name="degree" size="10" type="float" value="1" label="degree" />
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97 </when>
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98 <when value="anovadot">
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99 <param name="sigma" size="10" type="float" value="1" label="sigma" />
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100 <param name="degree" size="10" type="float" value="1" label="degree" />
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101 </when>
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102 </conditional>
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103 </inputs>
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104 <outputs>
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105 <data format="input" name="out_file1" metadata_source="input1" />
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106 </outputs>
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107 <tests>
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108 <test>
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109 <param name="input1" value="iris.tabular"/>
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110 <param name="x_cols" value="1,2"/>
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111 <param name="y_cols" value="3,4"/>
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112 <param name="kernel" value="anovadot"/>
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113 <param name="features" value="4"/>
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114 <param name="sigma" value="0.1"/>
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115 <param name="degree" value="2"/>
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116 <output name="out_file1" file="kcca_out1.tabular" compare="re_match"/>
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117 </test>
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118 <test>
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119 <param name="input1" value="iris.tabular"/>
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120 <param name="x_cols" value="3,4"/>
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121 <param name="y_cols" value="1,2"/>
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122 <param name="kernel" value="rbfdot"/>
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123 <param name="features" value="2"/>
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124 <param name="sigma" value="0.5"/>
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125 <output name="out_file1" file="kcca_out2.tabular" compare="re_match"/>
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126 </test>
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127 </tests>
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128 <help>
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129
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130
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131 .. class:: infomark
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132
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133 **TIP:** If your data is not TAB delimited, use *Edit Datasets->Convert characters*
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134
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135 -----
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136
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137 .. class:: infomark
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138
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139 **What it does**
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140
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141 This tool uses functions from 'kernlab' library from R statistical package to perform Kernel Canonical Correlation Analysis (kCCA) on the input data.
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142
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143 *Alexandros Karatzoglou, Alex Smola, Kurt Hornik, Achim Zeileis (2004). kernlab - An S4 Package for Kernel Methods in R. Journal of Statistical Software 11(9), 1-20. URL http://www.jstatsoft.org/v11/i09/*
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144
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145 -----
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146
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147 .. class:: warningmark
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148
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149 **Note**
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150
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151 This tool currently treats all variables as continuous numeric variables. Running the tool on categorical variables might result in incorrect results. Rows containing non-numeric (or missing) data in any of the chosen columns will be skipped from the analysis.
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152
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153 </help>
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154 </tool>
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