meter</span>
<span class="sd">    :type  momentum:            float</span>
<span class="sd">    </span>
<span class="sd">    :param weight_decay:        The weight decay learning hyper-parameter</span>
<span class="sd">    :type  weight_decay:        float</span>
<span class="sd">    </span>
<span class="sd">    :param use_lg_returns:      Whether log returns was used</span>
<span class="sd">    :type  use_lg_returns:      bool</span>
<span class="sd">    </span>
<span class="sd">    :param PCA_used:       