Function reference • healthdb

All functions

bind_source(): Row-bind a list of data.frames or remote tables with variable selection and renaming

build_def(): Build case definition function calls

collapse_episode(): Group records no more than n days apart as episodes

compute_comorbidity(): Compute Elixhauser Comorbidity Index

compute_duration(): Compute duration between two dates

cut_period(): Cut the time period in one row into multiple rows by interval

define_case(): Identify diseases/events from administrative records

exclude(): Remove rows based on conditions or another data set

execute_def(): Execute parameterized case definitions

fetch_var(): Get variables from multiple tables with common ID columns

identify_row(): Identify rows with a match

if_date(): Interpret if any n elements drawn from a date vector could be some days apart within some time span

lookup(): Find value corresponding to the input vector using a look-up table

make_test_dat(): Make test data

pool_case(): Pool qualified clients from results of multiple definitions

report_n(): Report number of distinct value in a column across data frames

restrict_date(): Remove or flag groups failed to meet conditions based on dates

restrict_n(): Remove or flag groups with n less than some number