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| 7 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 9 | <title>a_correlate2d.pro (SAXO Documentation)</title> |
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| 23 | <body onload="setTitle();"> |
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| 24 | |
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| 25 | <div id="navbar_title"> |
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| 26 | <h1>SAXO Documentation</h1> |
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| 27 | </div> |
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| 28 | |
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| 29 | |
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| 30 | <div id="main_navbar"> |
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| 31 | |
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| 32 | <table cellspacing="0"> |
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| 33 | <tr> |
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| 34 | |
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| 35 | <td><a href="./../../overview.html" title="Overview of library">Overview</a></td> |
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| 36 | |
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| 37 | |
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| 38 | |
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| 39 | <td >Directory</td> |
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| 42 | |
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| 43 | <td><a href="./../../idldoc-categories.html" title="Browse library by category">Categories</a></td> |
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| 44 | |
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| 45 | |
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| 46 | |
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| 47 | <td><a href="./../../idldoc-index.html" title="Index of files, routines, and parameters">Index</a></td> |
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| 48 | |
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| 50 | |
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| 51 | <td><a href="./../../search-page.html" title="Search library">Search</a></td> |
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| 53 | |
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| 54 | <td id="selected">File</td> |
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| 55 | |
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| 56 | |
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| 57 | <td><a href="../../../../ToBeReviewed/STATISTICS//a_correlate2d.pro" title="Source code of a file">Source</a></td> |
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| 58 | |
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| 59 | |
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| 60 | |
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| 61 | <td><a href="./../../idldoc-help.html" title="Help on IDLdoc">Help</a></td> |
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| 62 | |
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| 63 | |
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| 64 | <td >Etc</td> |
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| 65 | |
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| 66 | <td id="flexible">Developer documentation</td> |
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| 67 | </tr> |
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| 68 | </table> |
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| 69 | |
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| 70 | </div> |
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| 71 | |
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| 72 | <div id="secondary_navbar"> |
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| 73 | |
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| 74 | << prev file | <a href="a_timecorrelate.html">next file >></a> <a href="a_correlate2d.html" target="_TOP">view single page</a> | <a href="./../../index.html" target="_TOP">view frames</a> summary: fields | <a href="#routine_summary">routine</a> details: <a href="#routine_details">routine</a> |
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| 75 | |
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| 76 | </div> |
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| 77 | |
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| 78 | |
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| 79 | <div id="container"> |
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| 80 | |
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| 81 | <h1 class="directory"><a href="directory-overview.html">ToBeReviewed/STATISTICS/</a></h1> |
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| 82 | <h2 class="pro_file">a_correlate2d.pro</h2> |
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| 83 | |
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| 84 | <div id="file_attr"> |
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| 85 | <dl> |
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| 86 | </dl> |
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| 87 | </div> |
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| 88 | |
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| 89 | <div id="file_comments"> |
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| 90 | |
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| 91 | |
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| 92 | |
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| 93 | This function computes the autocorrelation Px(K,L) or |
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| 94 | autocovariance Rx(K,L) of a sample population X[nx,ny] as a |
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| 95 | function of the lag (K,L). |
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| 96 | </div> |
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| 97 | |
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| 98 | |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | |
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| 103 | |
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| 104 | |
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| 105 | <div id="routine_summary"> |
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| 106 | <h2>Routine summary</h2> |
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| 107 | |
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| 108 | <dl> |
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| 109 | |
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| 110 | <dt><p><a href="#_auto_cov2d"><span class="result">result = </span>auto_cov2d(<span class="result">x, lag</span>, DOUBLE=<span class="result">DOUBLE</span>, ZERO2NAN=<span class="result">ZERO2NAN</span>)</a></p><dt> |
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| 111 | <dd> </dd> |
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| 112 | |
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| 113 | <dt><p><a href="#_a_correlate2d"><span class="result">result = </span>a_correlate2d(<span class="result">x, lag</span>, COVARIANCE=<span class="result">COVARIANCE</span>, DOUBLE=<span class="result">DOUBLE</span>)</a></p><dt> |
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| 114 | <dd> </dd> |
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| 115 | |
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| 116 | </dl> |
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| 117 | </div> |
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| 118 | |
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| 119 | |
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| 120 | <div id="routine_details"> |
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| 121 | |
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| 122 | |
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| 123 | <div class="routine_details" id="_auto_cov2d"> |
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| 124 | |
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| 125 | <h2><a class="top" href="#container">top</a>auto_cov2d <span class="categories"> |
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| 126 | Statistics |
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| 127 | </span></h2> |
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| 128 | |
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| 129 | <p class="header"> |
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| 130 | <span class="result">result = </span>auto_cov2d(<span class="result"><a href="#_auto_cov2d_param_x">x</a>, <a href="#_auto_cov2d_param_lag">lag</a></span>, <a href="#_auto_cov2d_keyword_DOUBLE">DOUBLE</a>=<span class="result">DOUBLE</span>, <a href="#_auto_cov2d_keyword_ZERO2NAN">ZERO2NAN</a>=<span class="result">ZERO2NAN</span>)</p> |
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| 131 | |
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| 132 | <div class="comments"> |
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| 133 | </div> |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | <h3>Parameters</h3> |
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| 139 | |
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| 140 | |
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| 141 | <h4 id="_auto_cov2d_param_x">x |
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| 142 | <span class="attr">in</span> |
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| 143 | |
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| 144 | |
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| 145 | <span class="attr">required</span> |
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| 146 | |
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| 147 | |
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| 148 | |
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| 149 | |
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| 150 | </h4> |
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| 151 | |
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| 152 | <div class="comments"> |
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| 153 | An 2 dimension Array [nx,ny] |
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| 154 | </div> |
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| 155 | |
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| 156 | <h4 id="_auto_cov2d_param_lag">lag |
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| 157 | <span class="attr">in</span> |
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| 158 | |
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| 159 | |
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| 160 | <span class="attr">required</span> |
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| 161 | |
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| 162 | |
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| 163 | |
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| 164 | |
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| 165 | </h4> |
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| 166 | |
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| 167 | <div class="comments"> |
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| 168 | 2-element vector, in the intervals [-(nx-2), (nx-2)],[-(ny-2), (ny-2)], |
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| 169 | of type integer that specifies the absolute distance(s) between |
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| 170 | indexed elements of X. |
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| 171 | </div> |
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| 172 | |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | |
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| 177 | |
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| 178 | <h3>Keywords</h3> |
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| 179 | |
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| 180 | <h4 id="_auto_cov2d_keyword_DOUBLE">DOUBLE |
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| 181 | |
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| 182 | |
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| 183 | |
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| 184 | |
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| 185 | |
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| 186 | |
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| 187 | |
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| 188 | |
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| 189 | </h4> |
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| 190 | |
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| 191 | <div class="comments"> |
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| 192 | If set to a non-zero value, computations are done in double precision arithmetic. |
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| 193 | </div> |
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| 194 | |
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| 195 | <h4 id="_auto_cov2d_keyword_ZERO2NAN">ZERO2NAN |
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| 196 | |
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| 197 | |
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| 198 | |
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| 199 | |
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| 200 | |
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| 201 | |
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| 202 | |
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| 203 | |
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| 204 | </h4> |
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| 205 | |
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| 206 | <div class="comments"> |
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| 207 | </div> |
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| 208 | |
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| 209 | |
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| 210 | |
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| 211 | |
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| 212 | <h3>Version history</h3> |
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| 213 | |
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| 214 | <h4>Version</h4><div class="preformat"> |
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| 215 | $Id: a_correlate2d.pro 327 2007-12-13 16:22:35Z pinsard $ |
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| 216 | </div> |
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| 217 | <h4>History</h4><div class="preformat"> |
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| 218 | 28/2/2000 Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 219 | Based on the A_CORRELATE procedure of IDL |
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| 220 | </div> |
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| 221 | |
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| 222 | |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | |
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| 227 | |
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| 228 | |
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| 229 | |
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| 230 | |
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| 231 | |
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| 232 | |
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| 233 | |
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| 234 | |
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| 235 | |
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| 236 | |
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| 237 | <h3>Statistics</h3> |
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| 238 | <table class="statistics"> |
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| 239 | <tr><td>McCabe cyclic</td><td> 2</td></tr> |
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| 240 | <tr><td>McCabe essential</td><td> 1</td></tr> |
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| 241 | <tr><td>McCabe modular design</td><td> 1</td></tr> |
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| 242 | </table> |
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| 243 | |
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| 244 | |
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| 245 | </div> |
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| 246 | |
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| 247 | |
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| 248 | <div class="routine_details" id="_a_correlate2d"> |
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| 249 | |
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| 250 | <h2><a class="top" href="#container">top</a>a_correlate2d <span class="categories"> |
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| 251 | Statistics |
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| 252 | </span></h2> |
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| 253 | |
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| 254 | <p class="header"> |
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| 255 | <span class="result">result = </span>a_correlate2d(<span class="result"><a href="#_a_correlate2d_param_x">x</a>, <a href="#_a_correlate2d_param_lag">lag</a></span>, <a href="#_a_correlate2d_keyword_COVARIANCE">COVARIANCE</a>=<span class="result">COVARIANCE</span>, <a href="#_a_correlate2d_keyword_DOUBLE">DOUBLE</a>=<span class="result">DOUBLE</span>)</p> |
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| 256 | |
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| 257 | <div class="comments"> |
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| 258 | </div> |
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| 259 | |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | <h3>Parameters</h3> |
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| 264 | |
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| 265 | |
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| 266 | <h4 id="_a_correlate2d_param_x">x |
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| 267 | <span class="attr">in</span> |
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| 268 | |
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| 269 | |
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| 270 | <span class="attr">required</span> |
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| 271 | |
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| 272 | |
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| 273 | |
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| 274 | |
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| 275 | </h4> |
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| 276 | |
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| 277 | <div class="comments"> |
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| 278 | An 2 dimension Array [nx,ny] |
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| 279 | </div> |
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| 280 | |
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| 281 | <h4 id="_a_correlate2d_param_lag">lag |
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| 282 | <span class="attr">in</span> |
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| 283 | |
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| 284 | |
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| 285 | <span class="attr">required</span> |
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| 286 | |
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| 287 | |
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| 288 | |
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| 289 | |
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| 290 | </h4> |
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| 291 | |
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| 292 | <div class="comments"> |
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| 293 | 2-element vector, in the intervals [-(nx-2), (nx-2)],[-(ny-2), (ny-2)], |
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| 294 | of type integer that specifies the absolute distance(s) between |
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| 295 | indexed elements of X. |
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| 296 | </div> |
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| 297 | |
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| 298 | |
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| 299 | |
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| 300 | |
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| 301 | |
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| 302 | |
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| 303 | <h3>Keywords</h3> |
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| 304 | |
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| 305 | <h4 id="_a_correlate2d_keyword_COVARIANCE">COVARIANCE |
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| 306 | |
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| 307 | |
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| 308 | |
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| 309 | |
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| 310 | |
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| 311 | |
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| 312 | |
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| 313 | |
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| 314 | </h4> |
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| 315 | |
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| 316 | <div class="comments"> |
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| 317 | If set to a non-zero value, the sample autocovariance is computed. |
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| 318 | </div> |
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| 319 | |
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| 320 | <h4 id="_a_correlate2d_keyword_DOUBLE">DOUBLE |
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| 321 | |
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| 322 | |
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| 323 | |
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| 324 | |
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| 325 | |
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| 326 | |
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| 327 | |
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| 328 | |
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| 329 | </h4> |
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| 330 | |
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| 331 | <div class="comments"> |
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| 332 | If set to a non-zero value, computations are done in double precision arithmetic. |
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| 333 | </div> |
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| 334 | |
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| 335 | |
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| 336 | |
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| 337 | |
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| 338 | <h3>Version history</h3> |
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| 339 | |
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| 340 | <h4>Version</h4><div class="preformat"> |
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| 341 | $Id: a_correlate2d.pro 327 2007-12-13 16:22:35Z pinsard $ |
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| 342 | </div> |
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| 343 | <h4>History</h4><div class="preformat"> |
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| 344 | 28/2/2000 Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 345 | Based on the A_CORRELATE procedure of IDL |
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| 346 | </div> |
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| 347 | |
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| 348 | |
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| 349 | |
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| 350 | |
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| 358 | |
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| 359 | |
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| 360 | |
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| 361 | |
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| 362 | |
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| 363 | <h3>Statistics</h3> |
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| 364 | <table class="statistics"> |
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| 365 | <tr><td>McCabe cyclic</td><td> 8</td></tr> |
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| 366 | <tr><td>McCabe essential</td><td> 1</td></tr> |
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| 367 | <tr><td>McCabe modular design</td><td> 1</td></tr> |
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| 368 | </table> |
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| 369 | |
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| 370 | |
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| 371 | </div> |
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| 372 | |
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| 373 | </div> |
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| 374 | |
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| 375 | |
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| 376 | |
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| 377 | <div id="tagline">Produced by IDLdoc 2.0.</div> |
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| 379 | </div> |
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| 380 | |
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| 381 | </body> |
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| 382 | </html> |
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