Createing New Variables in R

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• http://www.biostat.jhsph.edu/~ajaffe/lec_winterR/Lecture%202.pdf
• http://statmethods.net/management/functions.html

• http://plyr.had.co.nz/09-user/
• http://www.biostat.jhsph.edu/~ajaffe/lec_winterR/Lecture%202.pdf

 

Source from: http://jtleek.com/modules/03_GettingData/03_03_creatingNewVariables/#1