Group array rows by one column and only create a subarray from another column if more than one value...

Group by key and value for List<Dictionary<string, object>>...

ggplot multiple grouping bar...

R: Calculating the Number of Phone Calls Every Hour...

Group rows on one column and form nested subarray with other column...

Sort values in ascending groups representing every third value...

How to restructure an array of single-element associative arrays into grouped subarrays?...

Oracle SQL Grouping In Ranges...

Group numbers into bins based on offset with Python...

Grouping in StringTemplate...

Counting by group, with respect to a specific column, keeping into account the amount of NA's...

Merge nested objects in JavaScript, and append matching properties in array...

Java List Group by Model property adding values...

Group by and summarize conditionally...

Long to wide: compacting rows...

Group and sum values in associative array based on year substring in keys...

Group rows with same column value...

Restructure array data by chunking, transposing, and merging...

Sort array rows by one column in tiers of 10, then by another column...

Merge two flat associative arrays and sum values on matching keys...

Merge deep groups of rows by their numeric key and sum column values while grouping...

In Mongo aggregation can 3 different counts be generated with grouping...

Taking N-samples from each group in PostgreSQL...

Group qualifying multidimensional array data and sum a column of values...

Group List<Object> with keys and distinct values count...

Combine two arrays into a single array based on a common column value...

How to add sequence number for each element in a group using a SQL query without temp tables...

How do I keep Cognos from splitting my subgroups across pages?...

How to count subsets of elements in an data frame using base R or dplyr?...

Getting rid of a nested for loop to improve performance...