2] Cleaning Data: To remove a column ‘col’ in a dataframe ‘data’ using null, the command is: data$col <- NULL How to apply hash strings (a series of unreadable text) to replace important data e.g. full names. https://cran.r-project.org/web/packages/openssl/vignettes/crypto_hashing.html 3] For Loops: The code I discussed For (i in 1:10){ commands to be written here in … Continue reading Ep5] Cleaning Data, loops and Vectorisation →