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Functions</h2></td></tr>
<tr class="memitem:a19c8e197ca0abccc7ec55c51acb587b8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceLEARNER.html#a807843d5185e0c5005a54bf28c111c79">LEARNER::base_learner</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="binary_8h.html#a19c8e197ca0abccc7ec55c51acb587b8">binary_setup</a> (<a class="el" href="structVW_1_1config_1_1options__i.html">VW::config::options_i</a> &options, <a class="el" href="structvw.html">vw</a> &all)</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a19c8e197ca0abccc7ec55c51acb587b8">◆ </a></span>binary_setup()</h2>
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<td class="memname"><a class="el" href="namespaceLEARNER.html#a807843d5185e0c5005a54bf28c111c79">LEARNER::base_learner</a>* binary_setup </td>
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<td class="paramtype"><a class="el" href="structVW_1_1config_1_1options__i.html">VW::config::options_i</a> & </td>
<td class="paramname"><em>options</em>, </td>
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<td class="paramtype"><a class="el" href="structvw.html">vw</a> & </td>
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<p class="definition">Definition at line <a class="el" href="binary_8cc_source.html#l00030">30</a> of file <a class="el" href="binary_8cc_source.html">binary.cc</a>.</p>
<p class="reference">References <a class="el" href="options_8h_source.html#l00090">VW::config::option_group_definition::add()</a>, <a class="el" href="structVW_1_1config_1_1options__i.html#a93c0de6c3ad57f6fb57441af2c908ba5">VW::config::options_i::add_and_parse()</a>, <a class="el" href="learner_8h_source.html#l00476">LEARNER::as_singleline()</a>, <a class="el" href="learner_8h_source.html#l00369">LEARNER::init_learner()</a>, <a class="el" href="learner_8h_source.html#l00462">LEARNER::make_base()</a>, <a class="el" href="options_8h_source.html#l00080">VW::config::make_option()</a>, and <a class="el" href="parse__args_8cc_source.html#l01222">setup_base()</a>.</p>
<p class="reference">Referenced by <a class="el" href="parse__args_8cc_source.html#l01234">parse_reductions()</a>.</p>
<div class="fragment"><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">bool</span> binary = <span class="keyword">false</span>;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="structVW_1_1config_1_1option__group__definition.html">option_group_definition</a> new_options(<span class="stringliteral">"Binary loss"</span>);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  new_options.add(<a class="code" href="namespaceVW_1_1config.html#ae768389a49d24d07215612b2f824d520">make_option</a>(<span class="stringliteral">"binary"</span>, binary).keep().help(<span class="stringliteral">"report loss as binary classification on -1,1"</span>));</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  options.<a class="code" href="structVW_1_1config_1_1options__i.html#a93c0de6c3ad57f6fb57441af2c908ba5">add_and_parse</a>(new_options);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> (!binary)</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="structLEARNER_1_1learner.html">LEARNER::learner<char, example></a>& ret =</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="namespaceLEARNER.html#a46de7ca84ed37d7b45dc7db64420b978">LEARNER::init_learner</a>(<a class="code" href="namespaceLEARNER.html#abd71c87941b752738319b3d1ed64fe47">as_singleline</a>(<a class="code" href="parse__args_8cc.html#a34c806099b7857a0ffc630bc8142beba">setup_base</a>(options, all)), predict_or_learn<true>, predict_or_learn<false>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceLEARNER.html#abcf6bdc2fa5e38928c33212e20dbbd74">make_base</a>(ret);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div><div class="ttc" id="namespaceLEARNER_html_abcf6bdc2fa5e38928c33212e20dbbd74"><div class="ttname"><a href="namespaceLEARNER.html#abcf6bdc2fa5e38928c33212e20dbbd74">LEARNER::make_base</a></div><div class="ttdeci">base_learner * make_base(learner< T, E > &base)</div><div class="ttdef"><b>Definition:</b> <a href="learner_8h_source.html#l00462">learner.h:462</a></div></div>
<div class="ttc" id="structVW_1_1config_1_1option__group__definition_html"><div class="ttname"><a href="structVW_1_1config_1_1option__group__definition.html">VW::config::option_group_definition</a></div><div class="ttdef"><b>Definition:</b> <a href="options_8h_source.html#l00085">options.h:85</a></div></div>
<div class="ttc" id="structVW_1_1config_1_1options__i_html_a93c0de6c3ad57f6fb57441af2c908ba5"><div class="ttname"><a href="structVW_1_1config_1_1options__i.html#a93c0de6c3ad57f6fb57441af2c908ba5">VW::config::options_i::add_and_parse</a></div><div class="ttdeci">virtual void add_and_parse(const option_group_definition &group)=0</div></div>
<div class="ttc" id="structLEARNER_1_1learner_html"><div class="ttname"><a href="structLEARNER_1_1learner.html">LEARNER::learner</a></div><div class="ttdef"><b>Definition:</b> <a href="cb__explore_8h_source.html#l00011">cb_explore.h:11</a></div></div>
<div class="ttc" id="namespaceLEARNER_html_abd71c87941b752738319b3d1ed64fe47"><div class="ttname"><a href="namespaceLEARNER.html#abd71c87941b752738319b3d1ed64fe47">LEARNER::as_singleline</a></div><div class="ttdeci">single_learner * as_singleline(learner< T, E > *l)</div><div class="ttdef"><b>Definition:</b> <a href="learner_8h_source.html#l00476">learner.h:476</a></div></div>
<div class="ttc" id="namespaceLEARNER_html_a46de7ca84ed37d7b45dc7db64420b978"><div class="ttname"><a href="namespaceLEARNER.html#a46de7ca84ed37d7b45dc7db64420b978">LEARNER::init_learner</a></div><div class="ttdeci">learner< T, E > & init_learner(free_ptr< T > &dat, L *base, void(*learn)(T &, L &, E &), void(*predict)(T &, L &, E &), size_t ws, prediction_type::prediction_type_t pred_type)</div><div class="ttdef"><b>Definition:</b> <a href="learner_8h_source.html#l00369">learner.h:369</a></div></div>
<div class="ttc" id="namespaceVW_1_1config_html_ae768389a49d24d07215612b2f824d520"><div class="ttname"><a href="namespaceVW_1_1config.html#ae768389a49d24d07215612b2f824d520">VW::config::make_option</a></div><div class="ttdeci">typed_option< T > make_option(std::string name, T &location)</div><div class="ttdef"><b>Definition:</b> <a href="options_8h_source.html#l00080">options.h:80</a></div></div>
<div class="ttc" id="parse__args_8cc_html_a34c806099b7857a0ffc630bc8142beba"><div class="ttname"><a href="parse__args_8cc.html#a34c806099b7857a0ffc630bc8142beba">setup_base</a></div><div class="ttdeci">LEARNER::base_learner * setup_base(options_i &options, vw &all)</div><div class="ttdef"><b>Definition:</b> <a href="parse__args_8cc_source.html#l01222">parse_args.cc:1222</a></div></div>
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