Mercurial > pylearn

comparison dataset.py @ 351:7545207466d4

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debugged RenamedFieldsDataSet
author Frederic Bastien <bastienf@iro.umontreal.ca>
date Tue, 17 Jun 2008 16:47:33 -0400
parents a22ea54a19ed
children 47538a45b878
comparison
equal deleted inserted replaced
350:ae6605eccd09 351:7545207466d4
690 self.new_fieldnames=new_fieldnames 690 self.new_fieldnames=new_fieldnames
691 assert src.hasFields(*src_fieldnames) 691 assert src.hasFields(*src_fieldnames)
692 assert len(src_fieldnames)==len(new_fieldnames) 692 assert len(src_fieldnames)==len(new_fieldnames)
693 self.valuesHStack = src.valuesHStack 693 self.valuesHStack = src.valuesHStack
694 self.valuesVStack = src.valuesVStack 694 self.valuesVStack = src.valuesVStack
695 self.lookup_fields = Example(new_fieldnames,src_fieldnames)
695 696
696 def __len__(self): return len(self.src) 697 def __len__(self): return len(self.src)
697 698
698 def fieldNames(self): 699 def fieldNames(self):
699 return self.new_fieldnames 700 return self.new_fieldnames
717 return self.example 718 return self.example
718 return FieldsSubsetIterator(self) 719 return FieldsSubsetIterator(self)
719 720
720 def minibatches_nowrap(self,fieldnames,minibatch_size,n_batches,offset): 721 def minibatches_nowrap(self,fieldnames,minibatch_size,n_batches,offset):
721 assert self.hasFields(*fieldnames) 722 assert self.hasFields(*fieldnames)
722 return self.src.minibatches_nowrap(fieldnames,minibatch_size,n_batches,offset) 723 cursor = Example(fieldnames,[0]*len(fieldnames))
724 for batch in self.src.minibatches_nowrap([self.lookup_fields[f] for f in fieldnames],minibatch_size,n_batches,offset):
725 cursor._values=batch._values
726 yield cursor
727
723 def __getitem__(self,i): 728 def __getitem__(self,i):
724 # return FieldsSubsetDataSet(self.src[i],self.new_fieldnames) 729 # return FieldsSubsetDataSet(self.src[i],self.new_fieldnames)
725 complete_example = self.src[i] 730 complete_example = self.src[i]
726 return Example(self.new_fieldnames, 731 return Example(self.new_fieldnames,
727 [complete_example[field] 732 [complete_example[field]