f.hasResults {ctrdata}R Documentation

Calculate if a study's results are available

Description

Trial concept calculated: Calculates if results have been recorded in the register, as structured data, reports or publications, for example. Requires loading results-related information for EUCTR.

Usage

f.hasResults(df = NULL)

Arguments

df

data frame such as from dbGetFieldsIntoDf. If 'NULL', prints fields needed in 'df' for calculating this trial concept, which can be used with dbGetFieldsIntoDf.

Value

data frame with columns '_id' and new column '.hasResults' (logical).

Examples

# fields needed
f.hasResults()

# apply trial concept when creating data frame
dbc <- nodbi::src_sqlite(
  dbname = system.file("extdata", "demo.sqlite", package = "ctrdata"),
  collection = "my_trials", flags = RSQLite::SQLITE_RO)
trialsDf <- dbGetFieldsIntoDf(
  calculate = "f.hasResults",
  con = dbc)
trialsDf


[Package ctrdata version 1.24.0 Index]