Check for MH dates with year and day known but month unknown — check_mh_missing

This check looks for partial missing dates in medical history start and end dates. That is, with only the month missing while the year and day are known

check_mh_missing_month(MH, preproc = identity, ...)

Arguments

MH: Medical History SDTM dataset with variables USUBJID, MHTERM and MHSTDTC
preproc: An optional company specific preprocessing script
...: Other arguments passed to methods

Value

Boolean value for whether the check passed or failed, with 'msg' attribute if the check failed

Author

Chandra Mannem

Examples


MH <- data.frame(USUBJID = LETTERS[1:5],
                 MHTERM = LETTERS[5:1],
                 MHSTDTC = c("2014", NA, "2014-01", "", "2014---02"),
                 stringsAsFactors = FALSE)

check_mh_missing_month(MH)
#> [1] FALSE
#> attr(,"msg")
#> [1] "MH has date(s) with known year and day but missing month. "
#> attr(,"data")
#>   USUBJID MHTERM   MHSTDTC
#> 1       E      A 2014---02

MH$MHSPID= "FORMNAME-R:2/L:2XXXX"

check_mh_missing_month(MH,preproc=roche_derive_rave_row)
#> [1] FALSE
#> attr(,"msg")
#> [1] "MH has date(s) with known year and day but missing month. "
#> attr(,"data")
#>   USUBJID MHTERM   MHSTDTC         RAVE
#> 1       E      A 2014---02 FORMNAME-R:2