Thanks Jim!
The problem is not date data. The problem is time. I figured out that I can
use chron library and then use this expression times(paste0(t2, ":00"))
because my time data are not h:m:s, only h;m.
The problem I am trying to figure out is how to implement [times(paste0(t2,
":00"))] on colclasses so that the whole table is converted to correct time
format which later can be manipulated
Thanks again--EK.
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