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New posts in aggregate-functions

Pandas group by custom function

Aggregate over column arrays in DataFrame in PySpark?

Apply a custom Spark Aggregator on multiple columns (Spark 2.0)

R Dataframe: aggregating strings within column, across rows, by group

SQL Select Count(person_id) > 3 From

Listagg function with PLSQL collection

How to dynamically calculate the sums of many columns in a GROUP?

SQL query to return NULL for SUM(expression) whenever an included value IS NULL

PostgreSQL - GROUP BY clause

How sum with case conditional statement works in sql

MySQL error 1054: Unknown column in having clause

How to assign a sum of values within fields to a variable?

Using case with aggregate function & group by clauses

How to use CriteriaQuery SUM of custom operation on some cells?

aggregating time series in R

Dataframe with "Sparse" Vector groupBy aggregation,not dense Vector in spark using Scala [duplicate]

List of aggregate functions

SELECTing "first" (as determined by ORDER BY) row FROM near-duplicate rows (as determined by GROUP BY, HAVING, COUNT) within SQLite

Rails storing aggregated information