timeDate (version 3043.102)

start: Terminal Times and Range

Description

Extracts the time the first or last observation was taken, or computes the range.

Usage

# S3 method for timeDate
start(x, ...)
# S3 method for timeDate
end(x, ...)
# S3 method for timeDate
min(..., na.rm = FALSE)
# S3 method for timeDate
max(..., na.rm = FALSE)
# S3 method for timeDate
range(..., na.rm = FALSE)

Value

returns an object of class timeDate.

Arguments

x

an object of class timeDate.

...

[start][end] -
not used,
[min][max] - 'timeDates' objects.

na.rm

not used.

Details

Note, the series will be time ordered before the start or end time stamps are extracted. Sorting is done in the way that the first observation appears in time before the last observation.

Examples

## timeCalendar - 
   # Random Calendar Dates:
   tR = sample(timeCalendar())
   sort(tR)
   tR
    
## start | end  -
   start(tR)
   end(tR)
   
## The First and Last Time Stamp:
   tR[1]
   tR[length(tR)]
   rev(tR)[1]
   
## The Range:
   c(start(tR), end(tR))
   range(tR)