HDF  =` pTREEPHEAPX datadata_descr8 (nameveteran (mldata0 commentData from StatLib (ftp stat.cmu.edu/datasets) Veteran's Administration Lung Cancer Trial Taken from Kalbfleisch and Prentice, pages 223-224 Variables Treatment 1=standard, 2=test Celltype 1=squamous, 2=smallcell, 3=adeno, 4=large Survival in days Status 1=dead, 0=censored Karnofsky score Months from Diagnosis Age in years Prior therapy 0=no, 10=yes Survival time treated as the class attribute.TREE HEAPXint0HSNOD  LSNOD <F<<F(P2F<(PF<<(P<(<<P2<P(PKF<<P<F22((F(PP2PP2P2F<(PPFZZPPF<ZPP22FF<ZFZP2F<Z2F<(<FPUFFF2(((cP<<<<2F (FZP2((<F<<PK<FP  :          $   $ W   E@&?A1ED+FQ??40=*#?87C?A.5ED+7*@AA7B<C5>CH0DC=<>&2?@+"B>4/?D-)B><B&5%6<04F2>A:>@?:@4#?F3(E$G><,6B1HD>GF=G;C<E9'>2+FB=Q:?<>*E?-D'B?1@A@CA% H~v Rn:d* 6 {a;u843z6? \#u _) igdpWoK!e,g Wcc=_P3S3Z4I$0T-P45+Toz18XTREE HEAPX(xnamesorderingtypes0%LSNOD(" 8#%L%L --- ------ -- --- - - - GCOLmonthsagetherapysurvivalstatus karnofskycelltype treatment int0 numeric numeric nominal:0,10 numeric nominal:0,1numericnominal:1,2,3,4 nominal:1,2(