9 Answered Questions

[SOLVED] Grouping functions (tapply, by, aggregate) and the *apply family

4 Answered Questions

[SOLVED] Multiple functions in a single tapply or aggregate statement

  • 2013-03-05 03:02:35
  • Mark Miller
  • 13051 View
  • 14 Score
  • 4 Answer
  • Tags:   r aggregate tapply

3 Answered Questions

[SOLVED] sum multiple columns by group with tapply

  • 2013-07-27 22:45:47
  • Mark Miller
  • 26917 View
  • 13 Score
  • 3 Answer
  • Tags:   r tapply

7 Answered Questions

3 Answered Questions

[SOLVED] How to add tapply results to an existing data frame

  • 2014-09-01 11:18:04
  • migdal menora
  • 1313 View
  • 3 Score
  • 3 Answer
  • Tags:   r dataframe tapply

3 Answered Questions

3 Answered Questions

[SOLVED] R function which.max with tapply

  • 2015-05-18 02:01:09
  • LoveMeow
  • 1233 View
  • 4 Score
  • 3 Answer
  • Tags:   r which tapply

1 Answered Questions

3 Answered Questions

[SOLVED] Remove NA from list of lists

  • 2014-09-11 00:18:44
  • Amberopolis
  • 15915 View
  • 9 Score
  • 3 Answer
  • Tags:   r tapply

2 Answered Questions

[SOLVED] Mean of variable by two factors

  • 2013-05-21 07:09:35
  • Ben
  • 13787 View
  • 10 Score
  • 2 Answer
  • Tags:   r tapply

1 Answered Questions

[SOLVED] What is the difference between the functions tapply and ave?

  • 2014-03-09 22:47:25
  • ECII
  • 773 View
  • 6 Score
  • 1 Answer
  • Tags:   r aggregate tapply

1 Answered Questions

2 Answered Questions

[SOLVED] How to pass na.rm as argument to tapply?

  • 2013-01-05 14:10:11
  • Doc
  • 19478 View
  • 10 Score
  • 2 Answer
  • Tags:   r tapply na.rm

2 Answered Questions

[SOLVED] does the by( ) function make growing list

1 Answered Questions

[SOLVED] How to use tapply() within a for loop and print output in R?

  • 2012-05-21 14:49:33
  • user1407670
  • 687 View
  • 0 Score
  • 1 Answer
  • Tags:   r for-loop tapply

2 Answered Questions

[SOLVED] Using variations of `apply` in R

  • 2016-06-09 15:33:12
  • akash87
  • 86 View
  • 0 Score
  • 2 Answer
  • Tags:   r sapply tapply

1 Answered Questions

[SOLVED] understanding difference in results between dplyr group_by vs tapply

1 Answered Questions

[SOLVED] Scale all values depending on group

  • 2017-01-20 10:11:03
  • GNee
  • 2046 View
  • 2 Score
  • 1 Answer
  • Tags:   r scale tapply

3 Answered Questions

[SOLVED] R - Get number of values per group without counting NAs

  • 2015-08-27 14:22:43
  • CarinaDSLR
  • 1465 View
  • 1 Score
  • 3 Answer
  • Tags:   r list na tapply

1 Answered Questions

[SOLVED] How to perform t-tests for each level of a factor with tapply

  • 2015-05-19 17:52:15
  • Joeri
  • 2109 View
  • 0 Score
  • 1 Answer
  • Tags:   r tapply

1 Answered Questions

1 Answered Questions

[SOLVED] Why does tapply take the subset as NA and not exclude them totally

  • 2012-07-24 14:02:30
  • Marinka
  • 912 View
  • 0 Score
  • 1 Answer
  • Tags:   r subset tapply

1 Answered Questions

[SOLVED] Is it necessary to use factor to INDEX argument for tapply in r?

  • 2016-07-21 02:34:33
  • student.J
  • 64 View
  • -1 Score
  • 1 Answer
  • Tags:   r tapply