On Mar 29, 2012, at 5:19 AM, garima_sharma wrote: > I need help with replacing NaN with zero (the value '0') in my > dataset. > > How can I do this? Search on: "replace NaN with zero" http://markmail.org/search/?q=list%3Aorg.r-project.r-help+%22replace+NaN+with+zero%22 -- David Winsemius, MD West Hartford, CT