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<a href="#nested-classes">Classes</a> &#124;
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<a href="#func-members">Functions</a> </div>
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<div class="title">realtime_stats.cpp File Reference</div> </div>
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<tr class="memitem:d2/dcf/namespacestatistics"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/dcf/namespacestatistics.html">statistics</a></td></tr>
<tr class="memitem:d2/dcf/namespacestatistics"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/dcf/namespacestatistics.html">statistics</a></td></tr>
<tr class="memdesc:d2/dcf/namespacestatistics"><td class="mdescLeft">&#160;</td><td class="mdescRight">Statistical algorithms. <br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aa54c915581fcc495489175a4386d59fd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d08/realtime__stats_8cpp.html#aa54c915581fcc495489175a4386d59fd">test_function</a> (const float *test_data, const int number_of_samples)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Compute statistics for data entered in rreal-time. </p>
<p>This algorithm is really beneficial to compute statistics on data read in realtime. For example, devices reading biometrics data. The algorithm is simple enough to be easily implemented in an embedded system. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/kvedala">Krishna Vedala</a> </dd></dl>
<div class="textblock"><p >Compute statistics for data entered in rreal-time. </p>
<p >This algorithm is really beneficial to compute statistics on data read in realtime. For example, devices reading biometrics data. The algorithm is simple enough to be easily implemented in an embedded system. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/kvedala" target="_blank">Krishna Vedala</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a3c04138a5bfe5d72780bb7e82a18e627"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a3c04138a5bfe5d72780bb7e82a18e627">&#9670;&nbsp;</a></span>main()</h2>
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<p>Main function </p>
<div class="fragment"><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> test_data1[] = {3, 4, 5, -1.4, -3.6, 1.9, 1.};</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <a class="code" href="../../d0/d08/realtime__stats_8cpp.html#aa54c915581fcc495489175a4386d59fd">test_function</a>(test_data1, <span class="keyword">sizeof</span>(test_data1) / <span class="keyword">sizeof</span>(test_data1[0]));</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; &lt;&lt; <span class="stringliteral">&quot;Enter data. Any non-numeric data will terminate the data input.&quot;</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1&lt;float&gt;</a> stats1;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2&lt;float&gt;</a> stats2;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordtype">double</span> val;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Enter number: &quot;</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; val;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="comment">// check for failure to read input. Happens for</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// non-numeric data</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keywordflow">if</span> (<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>.fail())</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; stats1.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#aa13bf7c38de112f71921a5525d71a2f2">new_val</a>(val);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; stats2.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ade6de704deea24fdc88077b3d9a0d534">new_val</a>(val);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 1:&quot;</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats1.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>()</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats1.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats1.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#af57e942d49f4fd70f059f224b4ac07e1">std</a>() &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 2:&quot;</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats2.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>()</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats2.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats2.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e">std</a>() &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; </div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;}</div>
<p >Main function </p>
<div class="fragment"><div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">const</span> <span class="keywordtype">float</span> test_data1[] = {3, 4, 5, -1.4, -3.6, 1.9, 1.};</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_function" href="../../d0/d08/realtime__stats_8cpp.html#aa54c915581fcc495489175a4386d59fd">test_function</a>(test_data1, <span class="keyword">sizeof</span>(test_data1) / <span class="keyword">sizeof</span>(test_data1[0]));</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> &lt;&lt; <span class="stringliteral">&quot;Enter data. Any non-numeric data will terminate the data input.&quot;</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <a class="code hl_class" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1&lt;float&gt;</a> stats1;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_class" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2&lt;float&gt;</a> stats2;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">while</span> (1) {</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Enter number: &quot;</span>;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; val;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// check for failure to read input. Happens for</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// non-numeric data</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">if</span> (<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>.fail())</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> stats1.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#aa13bf7c38de112f71921a5525d71a2f2">new_val</a>(val);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> stats2.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ade6de704deea24fdc88077b3d9a0d534">new_val</a>(val);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 1:&quot;</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats1.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>()</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats1.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 2:&quot;</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats2.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>()</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats2.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats2.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e">std</a>() &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span>}</div>
<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
<div class="ttc" id="aclassstatistics_1_1stats__computer1_html"><div class="ttname"><a href="../../d7/d7c/classstatistics_1_1stats__computer1.html">statistics::stats_computer1</a></div><div class="ttdef"><b>Definition:</b> realtime_stats.cpp:27</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa54c915581fcc495489175a4386d59fd">&#9670;&nbsp;</a></span>test_function()</h2>
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<p>Test the algorithm implementation </p><dl class="params"><dt>Parameters</dt><dd>
<p >Test the algorithm implementation </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">test_data</td><td>array of data to test the algorithms </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordtype">float</span> mean = 0.f, variance = 0.f;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1&lt;float&gt;</a> stats01;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2&lt;float&gt;</a> stats02;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; number_of_samples; i++) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; stats01.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#aa13bf7c38de112f71921a5525d71a2f2">new_val</a>(test_data[i]);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ade6de704deea24fdc88077b3d9a0d534">new_val</a>(test_data[i]);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; mean += test_data[i];</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; mean /= number_of_samples;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; number_of_samples; i++) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordtype">float</span> temp = test_data[i] - mean;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; variance += temp * temp;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; variance /= number_of_samples;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; Test Function &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&quot;</span> &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; &lt;&lt; <span class="stringliteral">&quot;Expected: Mean: &quot;</span> &lt;&lt; mean &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; variance</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 1:&quot;</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats01.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>()</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats01.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats01.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#af57e942d49f4fd70f059f224b4ac07e1">std</a>() &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 2:&quot;</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>()</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e">std</a>() &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; assert(std::abs(stats01.<a class="code" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>() - mean) &lt; 0.01);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; assert(std::abs(stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>() - mean) &lt; 0.01);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; assert(std::abs(stats02.<a class="code" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>() - variance) &lt; 0.01);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;(Tests passed)&quot;</span> &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;}</div>
<div class="fragment"><div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">float</span> mean = 0.f, variance = 0.f;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_class" href="../../d7/d7c/classstatistics_1_1stats__computer1.html">stats_computer1&lt;float&gt;</a> stats01;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_class" href="../../d8/dab/classstatistics_1_1stats__computer2.html">stats_computer2&lt;float&gt;</a> stats02;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; number_of_samples; i++) {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> stats01.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#aa13bf7c38de112f71921a5525d71a2f2">new_val</a>(test_data[i]);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#ade6de704deea24fdc88077b3d9a0d534">new_val</a>(test_data[i]);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> mean += test_data[i];</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> mean /= number_of_samples;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; number_of_samples; i++) {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordtype">float</span> temp = test_data[i] - mean;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> variance += temp * temp;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> variance /= number_of_samples;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; Test Function &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> &lt;&lt; <span class="stringliteral">&quot;Expected: Mean: &quot;</span> &lt;&lt; mean &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; variance</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 1:&quot;</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats01.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>()</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats01.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a27f0a03e2fd2254f1c81fe668226bd92">variance</a>()</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats01.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#af57e942d49f4fd70f059f224b4ac07e1">std</a>() &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMethod 2:&quot;</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> &lt;&lt; <span class="stringliteral">&quot;\tMean: &quot;</span> &lt;&lt; stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>()</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> &lt;&lt; <span class="stringliteral">&quot;\t Variance: &quot;</span> &lt;&lt; stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>()</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> &lt;&lt; <span class="stringliteral">&quot;\t Std: &quot;</span> &lt;&lt; stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#acf2e84df4fc386bb3295016ef8fd156e">std</a>() &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> assert(std::abs(stats01.<a class="code hl_function" href="../../d7/d7c/classstatistics_1_1stats__computer1.html#a390697dcee210b91823ceff04b25081b">mean</a>() - mean) &lt; 0.01);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> assert(std::abs(stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#a8290966ad468f2a8c266d008bc60720e">mean</a>() - mean) &lt; 0.01);</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> assert(std::abs(stats02.<a class="code hl_function" href="../../d8/dab/classstatistics_1_1stats__computer2.html#af6198817084276113b3c064e87ce0555">variance</a>() - variance) &lt; 0.01);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;(Tests passed)&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span>}</div>
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Here is the call graph for this function:</div>
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@@ -304,7 +303,7 @@ Here is the call graph for this function:</div>
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