示例：核平滑

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示例：核平滑

使用函数 ksmooth 平滑数据集。

1. 定义随机数据集。

2. 定义核平滑的带宽。

仔细选择带宽很重要。带宽过大将使整个数据集中的数据趋于平均化，导致细节的丧失。带宽过小则可能会在平滑后的数据中产生人造细节。

3. 调用 ksmooth 函数以对数据集执行核平滑。

4. 绘制平滑前后的数据集图像。

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