akrun questions

akrun answers

• Find number of unique combinations in data frame and Number of observations in each combination
• R: detecting sequences
• How to convert list (with multi elements) into string without turn to "c("xxx","xxx","xxx")" R
• Dynamic if else for both source and replacement columns in dplyr across
• Non numeric argument to binary argument error when estimating a panel VAR
• move the negative sign from the right side of number to left side in R languge
• Overwriting only NAs in column A with values from column B [duplicate]
• Subsetting consecutive pairs of rows meeting string conditions
• Replacing certain values in a data frame as NAs
• Add an ID based on groups of zeroes