Imputes Partial Date/Time SDTMv Variables

Source: R/impute_sdtm.R

Imputes partial date/time SDTMv variables, as required by the datacut process.

impute_sdtm(dsin, varin, varout)

Arguments

dsin

Name of input SDTMv dataframe

varin

Name of input SDTMv character date/time variable, which must be in ISO 8601 extended format (YYYY-MM-DDThh:mm:ss). The use of date/time intervals are not permitted.

varout

Name of imputed output variable

Value

Returns the input SDTMv dataframe, with the addition of one extra variable (varout) in POSIXct datetime format, which is the imputed version of varin.

Examples

ex <- data.frame(
  USUBJID = rep(c("UXYZ123a"), 13),
  EXSTDTC = c(
    "", "2022", "2022-06", "2022-06-23", "2022-06-23T16", "2022-06-23T16:57",
    "2022-06-23T16:57:30", "2022-06-23T16:57:30.123", "2022-06-23T16:-:30",
    "2022-06-23T-:57:30", "2022-06--T16:57:30", "2022---23T16:57:30", "--06-23T16:57:30"
  )
)
ex_imputed <- impute_sdtm(dsin = ex, varin = EXSTDTC, varout = DCUT_TEMP_EXSTDTC)