New posts in aggregate

How to sum two aggregated fields in sql

Why is there no PRODUCT aggregate function in SQL?

Compute mean and standard deviation by group for multiple variables in a data.frame

Aggregate multiple columns at once [duplicate]

Summarizing by subgroup percentage in R

Collapsing rows where some are all NA, others are disjoint with some NAs

Keep other columns when doing groupby

Select the top N values by group

Apply function conditionally

Select the first and last row by group in a data frame

C# Linq Group By on multiple columns [duplicate]

R: collapse dataframe with similar rows [duplicate]

Multiple aggregations of the same column using pandas GroupBy.agg()

Group by multiple columns and sum other multiple columns

How to use GROUP BY to concatenate strings in MySQL?

Add count of unique / distinct values by group to the original data

sns plot: ValueError: Could not interpret input [duplicate]

Summarizing multiple columns with dplyr? [duplicate]

Extract row corresponding to minimum value of a variable by group

Apply several summary functions on several variables by group in one call