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 Home > database
  • ▪ Mutate a new column based on observations present in a row
  • ▪ Why does pivot_longer convert column type from 'double' to 'list'
  • ▪ Group by dynamically generated column with pattern in `dplyr`
  • ▪ use grepl in each group after group_by
  • ▪ Filtering for rows with unique values in two different columns in R. Verifying if a code is correct
  • ▪ Counting how many times a string shows in a column in R
  • ▪ How to cutoff values in dataframe?
  • ▪ How to visualize the cutoff values with another color on pheatmap()?
  • ▪ Pulling columns based on values in a row
  • ▪ Is there a way to count the number of integer elements that lie within the range of a list of intege
  • ▪ How to join rows that match any of multiple columns
  • ▪ Sample column from the data frame to be the same
  • ▪ Regex for a word followed by multiple numbers in a sequence
  • ▪ In R, how can I create a list or vector of lm objects so that I can then create a list of R^2 square
  • ▪ How to produce a Chi-square distribution table With p-values for three vectors (two categorical and
  • ▪ Why is my reactive data frame in R shiny not updating correctly when using an observeEvent?
  • ▪ Logical function of the sample numbers to be sequential
  • ▪ How to convert a daatset where some subjects chose multiple answers into a dummy variables format?
  • ▪ How to sum two unequal length vector by Date in r?
  • ▪ Converting letter vector into numeric vector
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