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Hello, I am new to R and need some help. I have data in following format DATA matrix ======================== DateTime o h l c 2009-01-01 07:30:00 2 3 4 5 2009-01-01 07:33:00 4 2 5 7 I am able to fill the gap using combination of seq and chron 2009-01-01 07:30:00 2009-01-01 07:31:00 2009-01-01 07:32:00 2009-01-01 07:33:00 x <-