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 Home > OS
  • ▪ Using data.table to create multiple columns with different condition
  • ▪ Relative importance for several groups in R
  • ▪ Remove already existing pairs from dataset
  • ▪ Extract string from columns and paste it in the column values in R
  • ▪ Combining observations from same day while keeping earliest start and latest end time
  • ▪ How to group individual values from an existing variable into a new variable in R
  • ▪ Create a scale _fill_manual() with as many colors as needed to create a dotted chart
  • ▪ Combine 2 plots in 1 with ggscatter
  • ▪ Plot a tidy map of English regions
  • ▪ ordering dataframe using three variable at a same time
  • ▪ Is it possible to simultaneously create many new variables using mutate(), across(), starts_with(),
  • ▪ R dataframe column filter by the beginning of its characters
  • ▪ Loop through data frame and get counts. Output to other data frame
  • ▪ Loop with condition
  • ▪ R data.table: Count number of match for multiple strings for two group between two DT
  • ▪ In R dplyr, gsub() in mutate() using column as the pattern
  • ▪ Replace duplicates with values differing by n 1 in the last digit [R]
  • ▪ R increase the right-most digit by 1
  • ▪ Add column wrt to the date
  • ▪ Loop by column name with group_by with dynamic column names in R
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