search for: rolltolast

...0501L, 20080502L, 20080505L, 20080506L, 20080507L, 20080508L) DT[J("A",dts)] # 3 of the dates in dts match exactly DT[J("A",dts),roll=TRUE] # roll previous data forward i.e. return the prevailing observation DT[J("A",dts),rolltolast=TRUE] # roll all but last observation forward tables(mb=TRUE) # prints table names, number of rows, size in memory Thanks to all those who have made suggestions and feedback so far. Further comments and feedback on the package would be much appreciated. Regards, Matthew _______...

...0501L, 20080502L, 20080505L, 20080506L, 20080507L, 20080508L) DT[J("A",dts)] # 3 of the dates in dts match exactly DT[J("A",dts),roll=TRUE] # roll previous data forward i.e. return the prevailing observation DT[J("A",dts),rolltolast=TRUE] # roll all but last observation forward tables(mb=TRUE) # prints table names, number of rows, size in memory Thanks to all those who have made suggestions and feedback so far. Further comments and feedback on the package would be much appreciated. Regards, Matthew _______...

...0501L, 20080502L, 20080505L, 20080506L, 20080507L, 20080508L) DT[J("A",dts)]                             # 3 of the dates in dts match exactly DT[J("A",dts),roll=TRUE]                   # roll previous data forward i.e. return the prevailing observation DT[J("A",dts),rolltolast=TRUE]             # roll all but last observation forward tables(mb=TRUE)   # prints table names, number of rows, size in memory Thanks to all those who have made suggestions and feedback so far. Further comments and feedback on the package would be much appreciated. Regards, Matthew ________...