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11 changes: 6 additions & 5 deletions R/UnitConversions.R
Original file line number Diff line number Diff line change
Expand Up @@ -593,13 +593,14 @@ TADA_ConvertResultUnits <- function(.data, ref = "tada", transform = TRUE) {
# create detection unit ref
det.ref <- unit.ref %>%
dplyr::ungroup() %>%
dplyr::rename(DetectionQuantitationLimitMeasure.MeasureUnitCode = ResultMeasure.MeasureUnitCode) %>%
dplyr::select(-TADA.ResultMeasure.MeasureUnitCode) %>%
dplyr::rename(DetectionQuantitationLimitMeasure.MeasureUnitCode = ResultMeasure.MeasureUnitCode,
TADA.DetectionQuantitationLimitMeasure.MeasureUnitCode = TADA.ResultMeasure.MeasureUnitCode) %>%
dplyr::distinct()

det.join <- c(
"TADA.CharacteristicName",
"DetectionQuantitationLimitMeasure.MeasureUnitCode"
"DetectionQuantitationLimitMeasure.MeasureUnitCode",
"TADA.DetectionQuantitationLimitMeasure.MeasureUnitCode"
)

# Transform TADA.DetectionQuantitationLimitMeasure.MeasureValue value to target value only if target unit exists
Expand All @@ -608,10 +609,10 @@ TADA_ConvertResultUnits <- function(.data, ref = "tada", transform = TRUE) {
dplyr::left_join(det.ref, by = det.join) %>%
# apply conversions where there is a target unit, use original value if no target unit
dplyr::mutate(TADA.DetectionQuantitationLimitMeasure.MeasureValue = dplyr::case_when(
!is.na(TADA.Target.ResultMeasure.MeasureUnitCode) ~ ((TADA.DetectionQuantitationLimitMeasure.MeasureValue - TADA.WQXUnitConversionCoefficient) * TADA.WQXUnitConversionFactor),
is.na(TADA.DetectionQuantitationLimitMeasure.MeasureValue) ~ TADA.DetectionQuantitationLimitMeasure.MeasureValue,
!is.na(TADA.Target.ResultMeasure.MeasureUnitCode) ~ ((TADA.DetectionQuantitationLimitMeasure.MeasureValue + TADA.WQXUnitConversionCoefficient) * TADA.WQXUnitConversionFactor),
is.na(TADA.Target.ResultMeasure.MeasureUnitCode) ~ TADA.DetectionQuantitationLimitMeasure.MeasureValue
))

rm(clean.data)

# populate TADA.DetectionQuantitationLimitMeasure.MeasureUnitCode
Expand Down