View source: R/addDemographicsQuery.R
addPriorObservationQuery | R Documentation |
'r lifecycle::badge("experimental")' Same as 'addPriorObservation()', except query is not computed to a table.
addPriorObservationQuery(
x,
indexDate = "cohort_start_date",
priorObservationName = "prior_observation",
priorObservationType = "days"
)
x |
Table with individuals in the cdm. |
indexDate |
Variable in x that contains the date to compute the prior observation. |
priorObservationName |
name of the new column to be added. |
priorObservationType |
Whether to return a "date" or the number of "days". |
cohort table with added column containing prior observation of the individuals.
cdm <- mockPatientProfiles()
cdm$cohort1 %>%
addPriorObservationQuery()
mockDisconnect(cdm = cdm)
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