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tablecloth.api.aggregate
aggregateclj
(aggregate ds aggregator)(aggregate ds
aggregator
{:keys [default-column-name-prefix ungroup? parallel?]
:or {default-column-name-prefix "summary" ungroup? true}
:as options})Aggregate dataset by providing:
- aggregation function
- map with column names and functions
- sequence of aggregation functions
Aggregation functions can return:
- single value
- seq of values
- map of values with column names
Aggregate dataset by providing: - aggregation function - map with column names and functions - sequence of aggregation functions Aggregation functions can return: - single value - seq of values - map of values with column names
aggregate-columnsclj
(aggregate-columns ds columns-selector column-aggregators)(aggregate-columns ds columns-selector column-aggregators options)Aggregates each column separately
Aggregates each column separately
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