G. Grothendieck questions

G. Grothendieck answers

• conditional which.min function
• take mean of variable defined by string in dplyr
• How to parse array of arrays from string in column of csv/dataframe
• Square root of a number to 100 decimal places
• Is there a way to make combinations of paste0 function with a list?
• Understanding scoping of nested functions
• R package with code that only runs once (per installation)
• R check if list of lists contains specific list
• Turn singular row with interval into multiple rows which equal the interval
• How to perform arithmetic on values and operators expressed as strings?