def dict_to_manager(sdict, columns, index):
""" create and return the block manager from a dict of series, columns, index """
# from BlockManager perspective
axes = [_ensure_index(columns), _ensure_index(index)]
return create_block_manager_from_arrays([sdict[c] for c in columns], columns, axes)
def dict_to_manager(sdict, columns, index):
""" create and return the block manager from a dict of series, columns, index """
# from BlockManager perspective
axes = [_ensure_index(columns), _ensure_index(index)]
return create_block_manager_from_arrays([sdict[c] for c in columns], columns, axes)
def arrays_to_mgr(arrays,
arr_names,
index,
columns,
dtype=None,
verify_integrity=True):
"""
Segregate Series based on type and coerce into matrices.
Needs to handle a lot of exceptional cases.
"""
if verify_integrity:
# figure out the index, if necessary
if index is None:
index = extract_index(arrays)
else:
index = ensure_index(index)
# don't force copy because getting jammed in an ndarray anyway
arrays = _homogenize(arrays, index, dtype)
columns = ensure_index(columns)
# from BlockManager perspective
axes = [columns, index]
return create_block_manager_from_arrays(arrays, arr_names, axes)
def to_manager(sdf, columns, index):
""" create and return the block manager from a dataframe of series,
columns, index
"""
# from BlockManager perspective
axes = [ensure_index(columns), ensure_index(index)]
return create_block_manager_from_arrays([sdf[c] for c in columns], columns, axes)
def to_manager(sdf, columns, index):
""" create and return the block manager from a dataframe of series,
columns, index
"""
# from BlockManager perspective
axes = [ensure_index(columns), ensure_index(index)]
return create_block_manager_from_arrays(
[sdf[c] for c in columns], columns, axes)
def arrays_to_mgr(arrays, arr_names, index, columns, dtype=None):
"""
Segregate Series based on type and coerce into matrices.
Needs to handle a lot of exceptional cases.
"""
# figure out the index, if necessary
if index is None:
index = extract_index(arrays)
else:
index = ensure_index(index)
# don't force copy because getting jammed in an ndarray anyway
arrays = _homogenize(arrays, index, dtype)
# from BlockManager perspective
axes = [ensure_index(columns), index]
return create_block_manager_from_arrays(arrays, arr_names, axes)
def _init_arrays(self, arrays, arr_names, axes):
return create_block_manager_from_arrays(arrays, arr_names, axes)
def _init_arrays(self, arrays, arr_names, axes):
return create_block_manager_from_arrays(arrays, arr_names, axes)
