What is event report level data? | Why work with event report data? | Why the eventreport package? | Installation | Aggregation diagnostics | Calculate unique values using dscore | Calculate the average number of unique values using mean_dscore | Calculate multiple aggregation diagnostics using aggregation_diagnostics | Use the aggregation functions | calc_mode | calc_mode_na_ignore | calc_mode_binary | calc_mode_numeric | calc_mode_date | calc_max_precision | calc_min_precision | combine_strings | Aggregate multiple variables at once with aggregateData | Empirical illustration | References