>sklearn</span><span class="o">.</span><span class="n">preprocessing</span><span class="o">.</span><span class="n">StandardScaler</span><span class="p">(),</span>
                            <span class="n">train_indices</span><span class="o">=</span><span class="nb">range</span><span class="p">(</span><span class="n">T</span><span class="p">),</span>
                            <span class="n">test_indices</span><span class="o">=</span><span class="nb">range</span><span class="p">(</span><span class="n">T<