search for: tp3677178p3677205

Displaying 1 result from an estimated 1 matches for "tp3677178p3677205".

2011 Jul 19
2
strange problem with strptime and date variable
Hello all, I am manipulating a large database with 70,000 records. "strptime" generates a date variable but R treats some of the values as NA. I attach a simple example below. I have spent hours on this problem. Any hint would be greatly appreciated. Many thanks, Edwin Sun # =======start of sample code ============= > x <- c("2005-04-02 19:03:00", "2005-04-03