[R] Date Time Conversion

2019-05-08 Thread reichmanj
r-Help Community Never mine figured it out just use the "as.POSIXct" function Jeff I need to convert a date-time field (column) but I'm losing the time when I convert using .. tsData <- myData[,10, drop=FALSE] tsData$date_time <- as.Date(tsData$date_time, format="%m/%d/%y %H:%M"

Re: [R] Date Time Conversion

2019-05-08 Thread Rui Barradas
Hello, as.Date() outputs an object of class "Date", you want an object of class c("POSIXt", "POSIXct"). Use as.POSIXct(). Hope this helps, Rui Barradas Às 16:04 de 08/05/19, reichm...@sbcglobal.net escreveu: r-Help Community I need to convert a date-time field (column) but I'm losing

[R] Date Time Conversion

2019-05-08 Thread reichmanj
r-Help Community I need to convert a date-time field (column) but I'm losing the time when I convert using .. tsData <- myData[,10, drop=FALSE] tsData$date_time <- as.Date(tsData$date_time, format="%m/%d/%y %H:%M") head(tsData) date_time 1 2013-06-20

Re: [R] Date-time Conversion from Numeric Representations

2010-12-03 Thread Uwe Ligges
On 03.12.2010 16:31, Alexander Salim wrote: Hi all, I have a dataset called ,dataSet1'. The time column is given in a numeric code beginning with the year and ending with the minutes. Frist I tried the strptime() function to solve the problem. It gave me just the date back (and not the date an

[R] Date-time Conversion from Numeric Representations

2010-12-03 Thread Alexander Salim
Hi all, I have a dataset called ,dataSet1'. The time column is given in a numeric code beginning with the year and ending with the minutes. Frist I tried the strptime() function to solve the problem. It gave me just the date back (and not the date and time). There is also the ISOdatetime function

Re: [R] Date Time conversion

2008-09-26 Thread Gabor Grothendieck
chron uses: - separate arguments for date and time -- not a single one as you have - a separate system for the codes, not the % codes of Date and POSIXt classes If you want to specify the date and time all as one string rather than two arguments, use as.chron instead of chron -- as.chron does use

[R] Date Time conversion

2008-09-26 Thread stephen sefick
what am I doing wrong? chron(as.character(f), format=c(dates="%m/%d/%y", times="%h:%m")) f <- structure(c(51L, 60L, 66L, 87L, 90L, 115L, 23L, 35L, 37L, 6L, 12L, 55L, 84L, 96L, 109L, 17L, 29L, 41L, 3L, 74L, 94L, 102L, 30L, 8L, 46L, 69L, 107L, 15L, 25L, 39L, 1L, 71L, 95L, 19L, 56L, 62L, 76L, 85L, 9