6 Answered Questions

3 Answered Questions

6 Answered Questions

[SOLVED] What are Aggregates and PODs and how/why are they special?

8 Answered Questions

[SOLVED] Mean per group in a data.frame

  • 2014-02-24 08:56:59
  • Ianthe
  • 379470 View
  • 142 Score
  • 8 Answer
  • Tags:   r aggregate

6 Answered Questions

[SOLVED] Pandas group-by and sum

4 Answered Questions

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13 Answered Questions

[SOLVED] Count number of rows within each group

4 Answered Questions

13 Answered Questions

[SOLVED] Group By Multiple Columns

4 Answered Questions

[SOLVED] ListAGG in SQLSERVER

9 Answered Questions

[SOLVED] Count number of observations/rows per group and add result to data frame

6 Answered Questions

[SOLVED] Apply several summary functions on several variables by group in one call

  • 2012-08-21 22:55:50
  • broccoli
  • 83913 View
  • 83 Score
  • 6 Answer
  • Tags:   r aggregate

3 Answered Questions

[SOLVED] Extract the maximum value within each group in a dataframe

  • 2014-08-14 17:45:22
  • Johnathan
  • 85174 View
  • 59 Score
  • 3 Answer
  • Tags:   r aggregate

3 Answered Questions

[SOLVED] How to add count of unique values by group to R data.frame

6 Answered Questions

[SOLVED] How to use GROUP BY to concatenate strings in MySQL?

5 Answered Questions

[SOLVED] Extract row corresponding to minimum value of a variable by group

5 Answered Questions

[SOLVED] Summarizing multiple columns with dplyr?

  • 2014-02-08 10:27:10
  • Daniel
  • 158607 View
  • 141 Score
  • 5 Answer
  • Tags:   r dplyr aggregate

1 Answered Questions

[SOLVED] Apply function conditionally

  • 2013-05-20 20:07:56
  • Oliver
  • 9133 View
  • 20 Score
  • 1 Answer
  • Tags:   r aggregate

7 Answered Questions

[SOLVED] Does COUNT(*) always return a result?

  • 2010-03-31 10:31:26
  • Click Upvote
  • 12702 View
  • 31 Score
  • 7 Answer
  • Tags:   mysql sql aggregate

6 Answered Questions

[SOLVED] Group by multiple columns and sum other multiple columns

4 Answered Questions

2 Answered Questions

[SOLVED] C# Linq Group By on multiple columns

4 Answered Questions

[SOLVED] Keep other columns when doing groupby

3 Answered Questions

4 Answered Questions

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

  • 2015-01-20 01:22:51
  • Matt O'Brien
  • 3842 View
  • 11 Score
  • 4 Answer
  • Tags:   r aggregate na

8 Answered Questions

3 Answered Questions

[SOLVED] Aggregate a data frame based on unordered pairs of columns

  • 2013-03-18 21:19:21
  • R_User
  • 1014 View
  • 7 Score
  • 3 Answer
  • Tags:   r aggregate plyr

7 Answered Questions

[SOLVED] Select the top N values by group

  • 2013-02-10 16:59:27
  • Anthony Damico
  • 66161 View
  • 37 Score
  • 7 Answer
  • Tags:   r aggregate

5 Answered Questions

10 Answered Questions

[SOLVED] Why is there no PRODUCT aggregate function in SQL?

  • 2010-10-12 06:42:11
  • lock
  • 38007 View
  • 49 Score
  • 10 Answer
  • Tags:   sql aggregate