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 Home > Software engineering
  • ▪ Cast struct to its first member inside a function(void *)
  • ▪ Read n bytes from file and get integer value
  • ▪ Summarise dataframe with correlation of variables based on multiple groups
  • ▪ change data in dataframe if variable is the same
  • ▪ How to choose column with the largest number by row
  • ▪ The fileInput() cause error in process with mutate() in a shiny app
  • ▪ Create all combinations of two variables from two dataframes while keeping all other variables in R
  • ▪ Display `sliderInput` only if radio button is selected
  • ▪ Approximate two target values from a list of values
  • ▪ Use `dplyr` to run all pairwise comparisons and add Cohen's *d*
  • ▪ How to subtract a set of values from each corresponding value in a larger dataframe
  • ▪ Flag run-length of grouped intervals
  • ▪ Replace values in dataframe based on other dataframe with column name and value
  • ▪ How to add a column that identifies groups of consecutive days
  • ▪ Create a sequence before an indicator variable
  • ▪ How to use dplyr to fill cells meeting a criteria with the value of the cell immediately above itera
  • ▪ how to write this if else statement in R?
  • ▪ Stack a dataframe on itself multiple times in R?
  • ▪ aggregate columns across table using wildcard in R
  • ▪ How to use a bibtex citation key in a quarto gt table?
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