# Loading data ------------------------------------------ # Load a csv file (recommended output from excel) # On Windows diamonds <- read.csv("c:\\documents and settings\\desktop\\diamonds.csv") # On anything else diamonds <- read.csv("~/desktop/diamonds.csv") # Prompt for a file name diamonds <- read.csv(file.choose()) # Load from a website diamonds <- read.csv("http://had.co.nz/stat480/lectures/diamonds.csv") # Load a file delimited by spaces diamonds <- read.table(file.choose()) # Load a tab delimited file: diamonds <- read.table(file.choose(), sep="\t") # Examining an object ----------------------------------- # Bad idea if you have a big object: diamonds # Better: head(diamonds) # Statistical summary summary(diamonds) # Look at the structure str(diamands)