使用R绘制多条线的平均线

Question

我想知道如何使用R绘制几条单独线的平均线，如图所示，并从平均线的每个局部线获得两端的值。

在chr 1的子图中， 实线灰色：每个重组率 实线红线：平均局部重组率

例如，我如何绘制这两个文件的平均线 （第1列为x轴：位置;第2列为y轴）

个人1：

27343,0.014909
271377,0.044878
1166716,0.005004
1384732,0.018162
1917139,0.006432
2229415,0.011650
2736279,0.008127
3162852,0.019351
3619476,0.014546
4233682,0.005321

个人2：

27343,0.045651
778236,0.032515
1166716,0.012292
1603469,0.026068
2287470,0.011058
2904105,0.019674
3619476,0.012513
4448082,0.012442
5010563,0.009084
5535964,0.008281

感谢您的建议。