小编Bob*_*Bob的帖子

我的日期看起来像这样:

"date", "sunrise"
2009-01-01, 05:31
2009-01-02, 05:31
2009-01-03, 05:33
2009-01-05, 05:34
....
2009-12-31, 05:29

我想在R中绘制这个,用"date"作为x轴,"sunrise"作为y轴.