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Added method: as_selections() to CategoryDataset

This commit is contained in:
Arnar Flatberg 2006-08-30 12:37:08 +00:00
parent 026dc639e3
commit b000792faa
1 changed files with 20 additions and 6 deletions
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24
system/dataset.py
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@ -211,14 +211,28 @@ class CategoryDataset(Dataset):
self._type = 'c' self._type = 'c'
def as_dict_lists(self): def as_dict_lists(self):
"""Returns data as dict of indices along first dim""" """Returns data as dict of indices along first dim.
ex: data['gene_id'] = ['map0030','map0010', ...]
"""
data={} data={}
for name,ind in self._map[self.get_dim_name(0)].items(): for name,ind in self._map[self.get_dim_name(0)].items():
data[name] = list(nonzero(self._array[ind,:])) data[name] = self.get_identifiers(self.get_dim_name(1),list(nonzero(self._array[ind,:])))
self._dictlists = data self._dictlists = data
self.has_dictlists=True self.has_dictlists = True
return data return data
def as_selections(self):
"""Returns data as a list of Selection objects.
"""
ret_list = []
for cat_name,ind in self._map[self.get_dim_name(1)].items():
ids = self.get_identifiers(self.get_dim_name(0),nonzero(self._array[:,ind]))
selection = Selection(cat_name)
selection.select(cat_name,ids)
ret_list.append(selection)
return ret_list
class GraphDataset(Dataset): class GraphDataset(Dataset):
"""The graph dataset class. """The graph dataset class.
@ -278,8 +292,8 @@ class ReverseDict(dict):
All values and keys must be hashable, and unique. All values and keys must be hashable, and unique.
d = ReverseDict((['a',1],['b',2])) d = ReverseDict((['a',1],['b',2]))
print d['a'] print d['a'] --> 1
print d.reverse[1] print d.reverse[1] --> 'a'
""" """
def __init__(self, *args, **kw): def __init__(self, *args, **kw):
dict.__init__(self, *args, **kw) dict.__init__(self, *args, **kw)