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 Home > Back-end
  • ▪ Extract elements with purrr::map only if existing in each sublist
  • ▪ Adjust function to generate mode in R
  • ▪ Stack data (maybe pivot_longer) but complicated, R
  • ▪ mutate variable based on other columns with similar names
  • ▪ How can I plot this data as a line graph?
  • ▪ how to remove values ​from a column based on the specific name within the group?
  • ▪ Join all column values into one separate column
  • ▪ Adding values in a new column based on column name of other dataset
  • ▪ show total /sum of values in donut plot in R plotly
  • ▪ Saving descriptives table
  • ▪ dplyr::lag() problem with many conditions
  • ▪ Select the row with the maximum value in each group based on multiple columns in R dplyr
  • ▪ R: using mapply for a function of two vectors
  • ▪ Convert a character to NA based on a condition in R dplyr
  • ▪ How to turn a JSON list and convert it to table in R
  • ▪ Capitalizing the first letter of characters in a column using substr function
  • ▪ How to use rbindlist(data) instead of do.call(rbind, data) in this case
  • ▪ Dataframe containing all information for unique IDs based on presence/absence of another variable
  • ▪ Create percentage column of the number that appears the most times
  • ▪ Standardize Rename with a Dictionary
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