search for: yeartmp

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2012 Nov 05
1
Dates as POSIXt
...data frame I find this behavior. (For simplicity assume that the only month is March.) > DF[,"DateOfMaturity"] = NA > DF[,"DateOfMaturityPrevious"] = NA > DF[,"DateOfMaturityNext"] = NA > maturityFeb = 14 > maturityMar = 16 > maturityApr = 15 > yearTmp = as.POSIXlt(DF$Date)$year+1900 > DF$DateOfMaturity = as.POSIXct(strptime(paste(yearTmp,03,maturityMar ), "%Y %m %d")) > DF$DateOfMaturityPrevious = as.POSIXct(strptime(paste(yearTmp,02,maturityFeb ), "%Y %m %d") > DF$DateOfMaturityNext = as.POSIXct(strptime(paste(yea...