class FPgrowth{ public:  FPgrowth();  ~FPgrowth();  void setData(char *file, int type)
  {data = new Data(file,type);}  void setMinsup(unsigned ms){minsup = ms;}  void setOutput(char *of);  int mine(); private:  unsigned minsup;  Data *data;  FPtree *fpt;	  FILE *out;};