R: Working with Healthcare Databases

# Working with Healthcare Databases

## Documentation for package ‘healthdb’ version 0.5.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

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
define_case_with_age | Identify diseases/events from administrative records with age restriction
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