firstof

0th

Percentile

Create a POSIXct Object

Enable fast creation of time stamps corresponding to the first or last observation in a specified time period.

Keywords
utilities
Usage
firstof(year = 1970, month = 1, day = 1, hour = 0, min = 0, sec = 0, tz = "")
Arguments
year,month,day

numerical values to specify a day

hour,min,sec

numerical vaues to specify time within a day

tz

timezone used for conversion

Details

A wrapper to the R function ISOdatetime with defaults corresponding to the first or last possible time in a given period.

Value

An object of class POSIXct.

See Also

ISOdatetime

Aliases
  • firstof
  • lastof
Examples
library(xts) # NOT RUN { firstof(2000) firstof(2005,01,01) lastof(2007) lastof(2007,10) # }
Documentation reproduced from package xts, version 0.9-7, License: GPL (>= 2)

Community examples

Looks like there are no examples yet.