medcodes_to_read: Translate CPRD medcodes to Read/Oxmis

Description Usage Arguments Details Value

View source: R/cprd_medcodes.R

Description

This function accepts a data frame with a column for CPRD medcodes and merges with a medical lookup table to give columns for Read/OXMIS codes and optional descriptions

Usage

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medcodes_to_read(medcodes_data, lookup_table, medcodes_name = "medcode",
  lookup_readcodes = "readcode", lookup_medcodes = "medcode",
  description = TRUE)

Arguments

medcodes_data

a dataframe with a column matching medcodes_name

lookup_table

a dataframe with columns matching lookup_readcodes and lookup_medcodes

medcodes_name

character name of the CPRD medcodes column in medcodes_data

lookup_readcodes

character name of the Read codes column in the lookup_table

lookup_medcodes

character name of the CPRD medcodes column in the lookup_table

description

logical Should description and other categories from the lookup table also be included?

Details

Note that if the names of the medcodes columns are different in the data and the lookup table, the name in the data is retained To maintain sanity, a warning will be given to inform of are any name conflicts between the input data and the lookup

Value

a data frame matching the input medcodes_data with the Read codes and optional description columns merged in.


rOpenHealth/rEHR documentation built on March 19, 2018, 7:58 a.m.