search for: tp4647161p4647171

Displaying 1 result from an estimated 1 matches for "tp4647161p4647171".

2012 Oct 23
2
Data type in a data frame
Hi all, How does R know to regard a variable as a factor and not a character? For example, consider the following table: Observation Gender Dosage Alertness 1 m a 8 2 m a 12 3