 class="string">on</span>;
plot(test_wine_labels,<span class="string">'o'</span>);
plot(predict_label,<span class="string">'r*'</span>);
xlabel(<span class="string">'&#27979;&#35797;&#38598;&#26679;&#26412;'</span>,<span class="string">'FontSize'</span>,12);
ylabel(<span class="string">'&#31867;&#21035;&#26631;&#31614;'</span>,<span class="string">'FontSize'</span>,12);
legend(<span class="string">'&#23454;&#38469;&#27979;&#35797;&#38598;&#20998;&#31867;'</span>,<span class="string">'&#39044;&#27979;&#27979