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 Home > Back-end
  • ▪ How to use the method separate with a character?
  • ▪ How do I simulate choosing a random player at first, and then repeating that sequence?
  • ▪ Selectively Applying pivot_wider() Function
  • ▪ Create several subsets at the same time
  • ▪ Delete rows with na in certain columns, only if dummy = 0
  • ▪ Converting a matrix into a tibble in R
  • ▪ tbl_summary() with long, tidy data where single (e.g.,) patient ID has multiple values in factor col
  • ▪ Filter only rows that contain exact two strings in a column
  • ▪ How do you change values in a column of a dataframe to a part of the current value?
  • ▪ How to "unwrap" regexp helpers like [:digit:] in str_count?
  • ▪ How do I write a function to loop through year and country data and count the countries by year?
  • ▪ Transform dataframe to repeat rows for categorical variables in R
  • ▪ dplyr negative select if df not null
  • ▪ Trying to extract/count the unique characters in a string (of class character)
  • ▪ If function - replace by a formula
  • ▪ How can I transpose my table by selected column values in R?
  • ▪ Plot generalized linear mixed models (GLMMs): mixture of categorical and numeric variables
  • ▪ Add a comma after two digits in R?
  • ▪ strsplit returning nested list with backslashes and quotes added \"
  • ▪ Creating data.frame of multiple random samples from a vector in R?
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