你的日期数据格式是哪种

就是as.Date()函数处理之后的格式

> library(lubridate)
> x<-ymd("2010-01-01")
> y<-ymd("2010-03-30")
> z<-as.numeric(y-x)
> DATE<-x+days(0:z)
> x
[1] "2010-01-01 UTC"
> y
[1] "2010-03-30 UTC"
> DATE
[1] "2010-01-01 UTC" "2010-01-02 UTC" "2010-01-03 UTC" "2010-01-04 UTC" "2010-01-05 UTC" "2010-01-06 UTC" "2010-01-07 UTC" "2010-01-08 UTC"
[9] "2010-01-09 UTC" "2010-01-10 UTC" "2010-01-11 UTC" "2010-01-12 UTC" "2010-01-13 UTC" "2010-01-14 UTC" "2010-01-15 UTC" "2010-01-16 UTC"
[17] "2010-01-17 UTC" "2010-01-18 UTC" "2010-01-19 UTC" "2010-01-20 UTC" "2010-01-21 UTC" "2010-01-22 UTC" "2010-01-23 UTC" "2010-01-24 UTC"
[25] "2010-01-25 UTC" "2010-01-26 UTC" "2010-01-27 UTC" "2010-01-28 UTC" "2010-01-29 UTC" "2010-01-30 UTC" "2010-01-31 UTC" "2010-02-01 UTC"
[33] "2010-02-02 UTC" "2010-02-03 UTC" "2010-02-04 UTC" "2010-02-05 UTC" "2010-02-06 UTC" "2010-02-07 UTC" "2010-02-08 UTC" "2010-02-09 UTC"
[41] "2010-02-10 UTC" "2010-02-11 UTC" "2010-02-12 UTC" "2010-02-13 UTC" "2010-02-14 UTC" "2010-02-15 UTC" "2010-02-16 UTC" "2010-02-17 UTC"
[49] "2010-02-18 UTC" "2010-02-19 UTC" "2010-02-20 UTC" "2010-02-21 UTC" "2010-02-22 UTC" "2010-02-23 UTC" "2010-02-24 UTC" "2010-02-25 UTC"
[57] "2010-02-26 UTC" "2010-02-27 UTC" "2010-02-28 UTC" "2010-03-01 UTC" "2010-03-02 UTC" "2010-03-03 UTC" "2010-03-04 UTC" "2010-03-05 UTC"
[65] "2010-03-06 UTC" "2010-03-07 UTC" "2010-03-08 UTC" "2010-03-09 UTC" "2010-03-10 UTC" "2010-03-11 UTC" "2010-03-12 UTC" "2010-03-13 UTC"
[73] "2010-03-14 UTC" "2010-03-15 UTC" "2010-03-16 UTC" "2010-03-17 UTC" "2010-03-18 UTC" "2010-03-19 UTC" "2010-03-20 UTC" "2010-03-21 UTC"
[81] "2010-03-22 UTC" "2010-03-23 UTC" "2010-03-24 UTC" "2010-03-25 UTC" "2010-03-26 UTC" "2010-03-27 UTC" "2010-03-28 UTC" "2010-03-29 UTC"
[89] "2010-03-30 UTC"

我的数据量比较大，而且中间的缺失量比较多，这个方法可能还是要先识别不连续时间的开始与结束，能不能有直接实现这个过程的函数或者其他方法？谢谢！

你就列出头尾不就好啦。中间的不都是你要的么