data_2.txt

该代码是数据挖掘里面的决策树算法 利用ID3理论

*,f,f,g,t,n,f,c,b,u,t,b,s,s,g,p,p,w,o,p,k,y,d
*,f,f,g,t,n,f,c,b,w,t,b,s,s,w,w,p,w,o,p,n,y,d
*,f,f,g,t,n,f,c,b,u,t,b,s,s,g,p,p,w,o,p,n,v,d
*,x,f,g,f,f,f,c,b,h,e,b,k,k,b,b,p,w,o,l,h,v,p
*,f,y,n,t,n,f,c,b,p,t,b,s,s,p,g,p,w,o,p,n,y,d
*,f,y,g,t,n,f,c,b,n,t,b,s,s,w,g,p,w,o,p,k,v,d
*,f,y,n,t,n,f,c,b,u,t,b,s,s,p,p,p,w,o,p,k,y,d
*,x,s,p,f,c,f,c,n,n,e,b,s,s,w,w,p,w,o,p,k,s,d
*,f,y,e,t,n,f,c,b,n,t,b,s,s,p,p,p,w,o,p,k,y,d
*,f,y,g,t,n,f,c,b,p,t,b,s,s,g,p,p,w,o,p,k,v,d
*,f,y,e,t,n,f,c,b,n,t,b,s,s,w,p,p,w,o,p,k,y,d
*,x,s,w,f,c,f,c,n,u,e,b,s,s,w,w,p,w,o,p,k,s,d
*,x,f,g,f,f,f,c,b,h,e,b,k,k,n,n,p,w,o,l,h,v,p
*,f,y,n,t,n,f,c,b,w,t,b,s,s,w,p,p,w,o,p,n,v,d
*,x,f,g,f,f,f,c,b,g,e,b,k,k,p,p,p,w,o,l,h,v,g
*,x,f,w,f,c,f,c,n,n,e,b,s,s,w,w,p,w,o,p,n,s,d
*,f,y,n,t,n,f,c,b,w,t,b,s,s,g,g,p,w,o,p,k,y,d
*,f,y,g,t,n,f,c,b,p,t,b,s,s,w,w,p,w,o,p,n,v,d
*,f,y,g,t,n,f,c,b,n,t,b,s,s,w,w,p,w,o,p,n,v,d
*,f,y,g,t,n,f,c,b,w,t,b,s,s,w,p,p,w,o,p,n,v,d
*,k,s,n,f,n,a,c,b,y,e,?,s,s,o,o,p,o,o,p,b,c,l
*,x,s,n,f,n,a,c,b,y,e,?,s,s,o,o,p,n,o,p,b,v,l
*,f,s,n,f,n,a,c,b,n,e,?,s,s,o,o,p,o,o,p,b,c,l
*,k,y,n,f,y,f,c,n,b,t,?,s,k,w,w,p,w,o,e,w,v,l
*,x,s,n,f,n,a,c,b,y,e,?,s,s,o,o,p,o,o,p,o,c,l