user1398057 questions

• In a shell script, how can you combine both `Rscript` and `Unix` commands?
• Mystery: Why does the as.character() function in a data.table run faster if I add and subtract another variable?
• What is an efficient way of running a logistic regression for large data sets (200 million by 2 variables)?
• SQLite 3 - Is there a way to export a database file to a tab-delimited text file?
• In R markdown in RStudio, how can I prevent the source code from running off a pdf page?

user1398057 answers