Martin Morgan questions

Martin Morgan answers

• Generating minimum value in cumsum function in R
• subset slow in large matrix
• Speedy test on R data frame to see if row values in one column are inside another column in the data frame
• while loop inside tryCatch function
• Which R implementation gives the fastest JSD matrix computation?
• Fast way to count events over a sliding window
• Remove element of specific class from list in R
• How to find the number of identical elements in two vectors?
• Sorting character vector containing semantic versions
• Vectorizing rep and seq in R