search for: tp18151205p18151205

...evious row in data frmes), then replace colb[x] by "l" -if colb[x]=="i" and colb[x-1]=="i" (previous row in data frmes), then replace colb[x] by "h" Thanks in advance Paul -- View this message in context: http://www.nabble.com/change-values-in-data-frames-tp18151205p18151205.html Sent from the R help mailing list archive at Nabble.com.