Thank you very much, Prof Ripley. The problem is solved and my understanding is
improved.
Happy holidays!
- Alex
From: Prof Brian Ripley
To: Alex Zhang
Cc: "r-help@R-project.org"
Sent: Wednesday, December 14, 2011 11:39 AM
Subject: Re: [R] A Q
On 14/12/2011 16:24, Alex Zhang wrote:
Dear all,
I am using the ISOdatetime function like this:
test.info$TradeTime = with(test.info, mapply(FUN = ISOdatetime, Year, Month, Day, Hour,
Minute, 60, "EST"))
Where Year, Month etc are all numeric.
I think ISOdatetime should return a POSIXct obje
Dear all,
I am using the ISOdatetime function like this:
test.info$TradeTime = with(test.info, mapply(FUN = ISOdatetime, Year, Month,
Day, Hour, Minute, 60, "EST"))
Where Year, Month etc are all numeric.
I think ISOdatetime should return a POSIXct object. However, the result I
obtained from
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