/span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ml_model</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../ml_modelling/xgboost/index.html#bluecast.ml_modelling.xgboost.XgboostModel" title="bluecast.ml_modelling.xgboost.XgboostModel"><span class="pre">bluecast.ml_modelling.xgboost.XgboostModel</span></a><span class="w"> </span><spa