In real world, data manipulation might take even longer time and more effort than statistical analysis and modeling.
Does anyone know a good book and tutorial about data manupulation? Thank you so much. -- WenSui Liu, MS MA Senior Decision Support Analyst Division of Health Policy and Clinical Effectiveness ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
