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2010 Feb 23
1
Problem with strptime generating missing values where none appear to exist
Dear R Helpers,
I am having difficulty with strptime. I wish to find the differences between
two vectors of times. I have apparently no difficulty to convert the vectors
to the appropriate format using strptime. But, then difftime does not
calculate all the differences.
Here is the code and output:-
dob=strptime(as.character(datx$BDT),'%d-%b-%y'); dob$year=dob$year-100
2010 Feb 23
0
subtracting 100 from strptime year vector generates missing values in POSIXct where none appear to exist in strptime year vector
Thanks Don MacQueen for this reply to my initial query - please SEE MY REPLIES TO THESE IDEAS AND FURTHER INFORMATION BELOW
>From: Don MacQueen [macq at llnl.gov]
>Sent: 23 February 2010 21:25
>To: Jonathan Williams; r-help at r-project.org
>
>Subject: Re: [R] Problem with strptime generating missing values where none appear to exist
>
>What happens if you do all that NA