Perform fast and efficient data analysis with the power of SQL

A Quick, Interactive Approach to Learning Analytics with SQL

An implementation of the `group_by` Haskell function for slice and strings

A familiar set of functions that operate on JavaScript iterables (ES2015+) in a similar way to .NET's LINQ does with enumerables.

a minimalist dataframe

Extensions and extras for tidy processing.

Simple Go utility for dynamic multi-level grouping (multi group) of slice elements based on custom key selectors

Reservoir Sampling for Group-By Queries in Flink Platform. Answering effectively Single Aggregate.

The PHP's library to provide simple data manipulaton tools.

Group values according to an indicator function and return group counts.

Basic MS-SQL queries to help beginners understand SQL concepts.

Group elements as arrays associated with distinct keys.

Group values according to an indicator function and return group counts.

SQL Queries Activity

Split values into two groups according to a predicate function.

Group element values according to an indicator function.

Split element values into two groups according to an predicate function.

Split element entries into two groups according to an predicate function.

Group element entries as arrays associated with distinct keys.