Andre Wildberg questions

Andre Wildberg answers

• How do I create a new dataframe in R with repeated values and calculations from a previous dataframe?
• Replace the last non NA entry of a row with the value from another column
• How to count mismatches between two rows, column by column
• How to apply t-test between ranges of columns in R
• how to keep initial spaces for 1st field with awk
• How do I generate a matrix which shows if pairs of elements in a vector are equal
• Padding or filling a dataframe in R if I know the range
• Path along linked values taking the lowest value each time
• Remove comma inside quotes
• Is there an R function for placing a vector in the off-diagonal elements of a matrix?