R: Prepare Electronic Prescription Record Data to Estimate Drug Exposure

# Prepare Electronic Prescription Record Data to Estimate Drug Exposure

## Documentation for package ‘drugprepr’ version 0.0.7

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

## Help Pages

clean_duration | Clean implausibly-long prescription durations
close_small_gaps | Close small gaps between successive prescriptions
compute_ndd | Compute numerical daily dose from free-text prescribing instructions
cprd | Example data from the Clinical Practice Research Datalink (CPRD).
decision_1 | Decision 1: impute implausible total quantities
decision_10 | Decision 10: close small gaps between successive prescriptions
decision_2 | Decision 2: impute missing total quantities
decision_3 | Decision 3: impute implausible daily doses
decision_4 | Decision 4: impute missing daily doses
decision_5 | Decision 5: impute implausible prescription durations
decision_6 | Decision 6: choose method of calculating prescription duration
decision_7 | Decision 7: impute missing prescription durations
decision_8 | Decision 8: disambiguate prescriptions with the same start date
decision_9 | Decision 9: handle overlapping prescription periods
drug_prep | Run drug preparation algorithm
example_therapy | Example electronic prescription dataset
get_mode | Get the mode (most common value) of a vector
impute | Impute missing or implausible values
impute_duration | Replace missing or implausible prescription durations
impute_ndd | Replace implausible or missing numerical daily doses (NDD)
impute_qty | Find implausible entries Replace implausible or missing prescription quantities
isolate_overlaps | Separating overlapping prescription periods
make_decisions | Human-friendly interface to the drug prep algorithm
min_max_dat | Example plausible ranges for prescription quantity and dosage
outside_range | Do values fall outside a specified 'plausible' range?
shift_interval | Shift time intervals until they no longer overlap