Re: [R] Comparison of Date format

Hi, DataA- structure(list(ID = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L), Status = c(A, B, A, B, A, B, A, A, B, B, A, A, A, A, B, A, B, A, A, A, B,

Re: [R] Comparison of Date format

Thank you so much. You are the BEST:-) Now, I'm gonna learn all these codes and understand.   Cc: R help r-help@r-project.org Sent: Saturday, April 13, 2013 5:18 PM Subject: Re: Comparison of Date format Hi, DataA- structure(list(ID = c(1L, 1L, 1L, 1L, 1L,

Re: [R] Comparison of Date format

Hi,  In the example you provided, it looks like the dates in Date2 happens first.  So, I changed it a bit.  DataA- read.table(text= ID,Status,Date1,Date2            1,A,3-Feb-01,15-May-01         1,B,15-May-01,16-May-01         1,A,16-May-01,3-Sep-01                    

Re: [R] Comparison of Date format

HI, In cases like below: DataA- read.table(text= ID,Status,Date1,Date2            1,A,3-Feb-01,15-May-01         1,B,15-May-01,16-May-01         1,A,16-May-01,3-Sep-01                     1,B,3-Sep-01,13-Sep-01                     1,C,13-Sep-01,26-Feb-04