G5W questions

G5W answers

• Placing arrow heads to the middle of the lines in R
• (igraph) Grouped layout based on attribute
• Get the tail indices for several values at once in an R dataframe
• R read.csv data from inline string with a csv file content
• R - estimating missing values
• Replacing a string in column names in dataframe in R with grepl
• R extract string between nth and ith instance of delimiter
• R - Can you compare which value is first in alphabetical order?
• select a column by its name - openpyxl
• Rapidly generating ~ 10^9 steps of a random process in R