matlab boxplot legend

在Matlab中，boxplot函数无法直接添加图例。因此，在使用boxplot函数生成盒图后，可以使用plot函数创建一个额外的图例。可以通过以下步骤实现：

1. 使用boxplot函数生成盒图，如示例代码中的boxplot(x, {g2,g1}, 'notch', 'on', 'whisker', 1, 'colorgroup', g1, 'factorgap', [8 1], 'symbol', '.', 'outliersize', 4, 'widths', 0.6, 'positions', positions)。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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