Hi all,
I am strugling with date formates and caliculating diferent operations like
different between 2 dates and
getting minimum in vector of dates

that is i m working with dates in formate         "6/22/1992  12:00:00 AM"
and the vector is

[1] 6/4/1992 12:00:00 AM     2/13/1992 12:00:00 AM    6/19/1992 12:00:00 AM
 [4] 2/11/1992 12:00:00 AM  6/22/1992 12:00:00 AM    10/3/1991 12:00:00 AM
 [7] 5/12/1992 12:00:00 AM  7/11/1991 12:00:00 AM    2/6/1992 12:00:00 AM
[10] 10/4/1991 12:00:00 AM  1/31/1992 12:00:00 AM   6/9/1992 12:00:00 AM
[13] 10/9/1991 12:00:00 AM  6/10/1992 12:00:00 AM    7/19/1991 12:00:00 AM
[16] 7/18/1991 12:00:00 AM  9/20/1991 12:00:00 AM    8/6/1992 12:00:00 AM
[19] 8/12/1992 12:00:00 AM  8/19/1992 12:00:00 AM    7/12/1991 12:00:00 AM
[22] 6/5/1992 12:00:00 AM    2/7/1992 12:00:00 AM     7/1/1992 12:00:00 AM
[25] 8/7/1992 12:00:00 AM    8/13/1992 12:00:00 AM

and here i have to get least date (means first initial date) and i have to
get difference between that date to all other dates in vector

i tried with  functins like

formate()
and  round()    but its not woking on this formate of data

can any one help me out to solve this


thanks in advance

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