Top Questions

1. dplyr: How to calculate frequency of different values within each group
   3 votes

   4 answers
2. How to expand dataframe based on two columns?
   3 votes

   2 answers
3. Count the number of times a value changes in a variable for specific values
   2 votes

   1 answers
4. How to average per row based on number of NAs columns
   1 votes

   4 answers
5. Frequency table and proportions stored in different dataframes
   1 votes

   1 answers