nominal to binominal in large DataSEts
i work in tehran traffic transaction database .
this data include this attributes:
this data set is over 530000 records.
i decide to work on association rule mining with this dataset . for example fp-growth
this attributes to work with this alghoritm(ARM) must convert to binominal.
day ,aircondition ,traffictype ,successfully converted to binominal in rapidminer .
but when converting HighWayCode to binominal crashed.
i read data from database -select attribute-nominaltobinomial-write to database
can any one help me to solve this problem????plz
i mentioned that attribute HighWayCode is 1000 record