“R”

R Commands:

• getwd(): returns the current working directory
• setwd("C:/R/tables"): Sets the current directory
• source("src.R"): run the R source file
• y<-edit(y): opens up a notepad/spreadsheet with data from y
• data1<-edit(data.frame()): opens up a spreadsheet for data entry
• tbl<-read.table("table.dat", header = T, sep =""): reads table.dat with header and space as delimiter.
• dat.collim$Part <- factor(dat.collim$Part): It removes the unnecessary or empty levels for a variable.

Useful R Links:

• Graphical Attributes: http://www.statmethods.net/advgraphs/parameters.html