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rdplyrpurrr
01-31
Net
Transform columns by a list (map) of functions
01-04
other
retain only rows and columns that match with a string vector
01-03
Back-end
Inconsistent behaviour between sample_n() and slice_sample()
12-15
Software design
Using dplyr::summarise with dplyr::across and purrr::map to sum across columns with the same prefix
12-03
other
Adding count of children per parent in single data frame and count of all descendants
11-22
Net
In list of dataframes, make columns with more than 3 NAs all NA
11-13
front end
Deduplicate and lengthen dataframe in R
11-12
database
How to use map_dfc and map_dfr (purrr R package) - it appears they are doing the same
11-01
Mobile
Using a dataframe to input values to a function and aggregating the outputs
10-27
Software engineering
checking if strings match across multiple columns using fuzzy matching or grep to remove certain gra
10-21
Mobile
Pass more than one column through to group_modify
09-23
front end
NA values in vectors passed to map_dfr
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