Displaying 1 result from an estimated 1 matches for "vialist".
Did you mean:
valist
2008 Apr 10
1
ISOdate/ISOdatetime performance suggestions, other date/time questions
...h(x)))
date = trunc(x at .Data)
time = round(1e6*x at .Data%%1,2)
rtime = round(time)
z$sec=rtime%%1e2 + time%%1
z$min=(rtime%/%1e2)%%1e2
z$hour=rtime%/%1e4
z$mday=date%%100
z$mon=(date%/%100)%%100-1
z$year=date%/%10000-1900
as.double(z) # to POSIXct
}
posix.vialist = function(x) {
date = trunc(x at .Data)
time = round(1e6*x at .Data%%1,2)
rtime = round(time)
na = rep(0.0,length(x))
z = list(sec=rtime%%1e2 + time%%1,
min=(rtime%/%1e2)%%1e2,
hour=rtime%/%1e4,
mday=date%%100,
mon=(date%/%100)%%100-1,
ye...