coord_time | R Documentation |
Computes the time(s) elapsed (in years) between the beginning of the year and the date(s) of the event(s). The time coordinate(s) in a Lexis diagram.
coord_time(date.event, random.e = TRUE)
date.event |
A character vector with the dates of events in format either "yyyy-mm-dd" or "yyyy-mm-dd hour:min:secs" (for instance, "2016-01-20 12:00:00") of a population. If "hour:min:secs" is omitted the function imputes either "12:00:00", if 'random.e = FALSE', or a random hour, by default. |
random.e |
A 'TRUE/FALSE' argument indicating whether the exact moment ("hour:min:secs") when the event occurs within the day is randomly selected. This overwrites "hour:min:secs" in 'date.event' even if this has been declared. |
A numeric vector of the same length as data.event
@seealso coord_age
, exact_age
The length of the year is 365 days in non-leap years and 366 days in leap years.
Jose M. Pavia pavia@uv.es
Josep Lledo josep.lledo@uv.es
Pavia, JM and Lledo, J (2022). Estimation of the Combined Effects of Ageing and Seasonality on Mortality Risk. An application to Spain. *Journal of the Royal Statistical Society, Series A (Statistics in Society)*, 185(2), 471-497. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1111/rssa.12769")}
dates <- c("2002-03-23", "2009-04-12", "2019-01-01")
coord_time(dates)
dates <- "2019-01-01 14:00:00"
coord_time(dates, FALSE)
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