Hi I have data set as follows: A 92315 A 35018 A 56710 B 52700 B 92315 B 15135 C 35018 C 52700 I would like to transform this data set into: ID 92315 35018 56710 52700 15135 A 1 1 1 0 0 B 1 0 0 1 1 C 0 1 0 1 0 I looked into reshape package to no avail. I would appreciate any suggestions. -Sohail [[alternative HTML version deleted]]