Statistics with R

• When encounter "Error: could not find function"
• We can install the related package install.packages("thePackage")
• Load the required package library(thePackage)
• If not sure which package is related to the function, use help.search("some.function") or ??some.function or RSiteSearch("some.function")
• Common library used
• library(UsingR)
• library(reshape)
• library(ggplot2)
• library(manipulate)   

• Sample Data
• http://archive.ics.uci.edu/ml/datasets.html