SurveilFirstTest: Extracts the first test only per patient

In ropensci/EndoMineR: Functions to mine endoscopic and associated pathology datasets

Extracts the first test only per patient

Description

Extracts the first test only per patient and returns a new dataframe listing the patientID and the first test done

Usage

SurveilFirstTest(dataframe, HospNum_Id, Endo_ResultPerformed)

Arguments

dataframe	dataframe
HospNum_Id	Patient ID
Endo_ResultPerformed	Date of the Endoscopy

See Also

Other Basic Analysis - Surveillance Functions: HowManyOverTime(), SurveilLastTest(), SurveilTimeByRow(), TimeToStatus()

Examples

dd <- SurveilFirstTest(
  Myendo, "HospitalNumber",
  "Dateofprocedure"
)

ropensci/EndoMineR documentation built on March 14, 2023, 3:58 a.m.