View source: R/str2str_functions.R
is.POSIXct | R Documentation |
is.POSIXct
returns whether an object is a POSIXct object (aka has class = "POSIXct").
is.POSIXct(x)
x |
an object. |
TRUE is x
has class "POSIXct" and FALSE if x
does not have class "POSIXct".
tmp <- as.POSIXlt("2021-05-24 21:49:11", tz = "America/New_York",
format = "%Y-%m-%d %H:%M:%OS") # as.POSIXlt.character
time <- as.POSIXct(tmp) # as.POSIXct.POSIXlt
is.POSIXct(time)
class(time) <- append(class(time), "extra_class")
is.POSIXct(time) # classes other than POSIXct are allowed
is.POSIXct(list(time)) # returns FALSE
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