Python TypeError: 'float' object has no attribute '__getitem__' -


anybody knows how solve problem? i'm studying collective intelligence now, , compared example when made code. it's getting error this:

traceback (most recent call last):   file "<pyshell#8>", line 1, in  <module>     clust=clusters.hcluster(data)   file "d:\kuliah\smt1\phyton class\contoh coding\coding-collective intelligence\myself_maulida\bab3-documentclustering\clusters.py", line 78, in hcluster     in range(len(clust[0].vec))] typeerror: 'float' object has no attribute '__getitem__'

here code, can help? thank you.

def hcluster(rows,distance=pearson):     distances={}     currentclustid=-1      #clusters rows     clust=[bicluster(rows[i],id=i) in range(len(rows))]      while len(clust)>1:         lowestpair=(0.1)         closest=distance(clust[0].vec,clust[1].vec)          #loop through every pair looking smallest distance          in range(len(clust)):             j in range(i+1,len(clust)):             #distance cache of distance calculations                 if(clust[i].id,clust[j].id) not in distances:                     distances[(clust[i].id,clust[j].id)]=distance(clust[i].vec,clust[j].vec)                      d=distances[(clust[i].id,clust[j].id)]                  if d<closest:                     closest=d                     lowestpair=(i,j)              #calculate average of 2 cluster             mergevec=[             (clust[lowestpair[0]].vec[i]+clust[lowestpair[1]].vec[i])/2.0              in range(len(clust[0].vec))]              #create new cluster             newcluster=bicluster(mergevec,left=clust[lowestpair[0]],                                  right=clust[lowestpair[1]],                                  distance=closest,id=currentclustid)              #cluster ids weren't in original set negative             currentclustid-=1             del clust[lowestpair[1]]             del clust[lowestpair[0]]             clust.append(newcluster)          return clust[0] 

lowestpair=(0.1)

that's period, not comma. lowestpair float, rather tuple. (while looks error comes clust[0], python tracebacks aren't @ pointing out physical line of logical line error comes from.)


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