Run a custom function on a data frame in R, by group

by

More Related Contents:

  1. Extract row corresponding to minimum value of a variable by group
  2. Summarizing multiple columns with dplyr? [duplicate]
  3. dplyr: “Error in n(): function should not be called directly”
  4. R: x ‘probs’ outside [0,1]
  5. R sum a variable by two groups [duplicate]
  6. How to use data.table within functions and loops?
  7. Relative frequencies / proportions with dplyr
  8. data.table objects assigned with := from within function not printed
  9. standard evaluation in dplyr: summarise a variable given as a character string
  10. Returning multiple objects in an R function [duplicate]
  11. Use variable names in functions of dplyr
  12. Create new variables with mutate_at while keeping the original ones
  13. How to interpret dplyr message `summarise()` regrouping output by ‘x’ (override with `.groups` argument)?
  14. Finding percentage in a sub-group using group_by and summarise
  15. Using spread with duplicate identifiers for rows
  16. filter for complete cases in data.frame using dplyr (case-wise deletion)
  17. dplyr – using column names as function arguments
  18. Apply a function to every row of a matrix or a data frame
  19. dplyr::group_by_ with character string input of several variable names
  20. How to parametrize function calls in dplyr 0.7?
  21. Aggregate and reshape from long to wide
  22. Call by reference in R (using function to modify an object)
  23. How to do range grouping on a column using dplyr?
  24. Arranging rows in custom order using dplyr
  25. R: How to filter/subset a sequence of dates
  26. Get first and last values per group – dplyr group_by with last() and first()
  27. How does one stop using rowwise in dplyr?
  28. grouped operations that result in length not equal to 1 or length of group in dplyr
  29. How to replace all NA in a dataframe using tidyr::replace_na? [duplicate]
  30. Repeating rows of data.frame in dplyr [duplicate]

Leave a Comment