DAF API

The top-level daf module re-exports everything all the sub-modules, so, for example, you can write from daf import MemoryStorage or daf.MemoryStorage instead of the full name daf.storage.memory.MemoryStorage.

• daf.example
  • DAF_EXAMPLE_PATH
• daf.access
  • daf.access.readers
    • DafReader
      • DafReader.name
      • DafReader.base
      • DafReader.derived
      • DafReader.chain
      • DafReader.as_reader()
      • DafReader.description()
      • DafReader.verify_has()
      • DafReader.has_data()
      • DafReader.item_names()
      • DafReader.has_item()
      • DafReader.get_item()
      • DafReader.axis_names()
      • DafReader.has_axis()
      • DafReader.axis_size()
      • DafReader.axis_entries()
      • DafReader.axis_indices()
      • DafReader.axis_index()
      • DafReader.data1d_names()
      • DafReader.has_data1d()
      • DafReader.get_vector()
      • DafReader.get_series()
      • DafReader.data2d_names()
      • DafReader.has_data2d()
      • DafReader.get_matrix()
      • DafReader.get_frame()
      • DafReader.get_columns()
      • DafReader.view()
    • transpose_name()
  • daf.access.writers
    • DafWriter
      • DafWriter.storage
      • DafWriter.as_reader()
      • DafWriter.set_item()
      • DafWriter.create_axis()
      • DafWriter.set_data1d()
      • DafWriter.set_data2d()
      • DafWriter.create_dense_in_rows()
      • DafWriter.adapter()
      • DafWriter.computation()
    • BackAxis
      • BackAxis.name
      • BackAxis.optional
      • BackAxis.copy_on_error
    • BackData
      • BackData.name
      • BackData.default
      • BackData.optional
      • BackData.overwrite
      • BackData.copy_on_error
    • COMPLETE_DATA
    • computation()
  • daf.access.operations
    • operation()
    • Abs
    • Floor
    • Round
    • Ceil
    • Clip
    • Log
    • Fraction
    • Reformat
      • Reformat.vector_to_vector()
      • Reformat.dense_to_dense()
      • Reformat.dense_to_sparse()
      • Reformat.sparse_to_dense()
      • Reformat.sparse_to_sparse()
    • Densify
    • Sparsify
    • Significant
    • Sum
    • Min
    • Max
    • Mean
    • Var
    • Std
    • Operation
      • Operation.dtype
      • Operation.canonical
    • ElementWise
      • ElementWise.densifies
      • ElementWise.sparsifies
      • ElementWise.nop
      • ElementWise.vector_to_vector()
      • ElementWise.dense_to_dense()
      • ElementWise.dense_to_sparse()
      • ElementWise.sparse_to_dense()
      • ElementWise.sparse_to_sparse()
    • Reduction
      • Reduction.vector_to_scalar()
      • Reduction.dense_to_vector()
      • Reduction.sparse_to_vector()
    • parse_float_parameter()
    • parse_int_parameter()
    • parse_number_parameter()
    • parse_bool_parameter()
    • float_dtype_for()
• daf.storage
  • daf.storage.interface
    • StorageReader
      • StorageReader.name
      • StorageReader.as_reader()
      • StorageReader.description()
      • StorageReader.item_names()
      • StorageReader.has_item()
      • StorageReader.get_item()
      • StorageReader.axis_names()
      • StorageReader.has_axis()
      • StorageReader.axis_size()
      • StorageReader.axis_entries()
      • StorageReader.data1d_names()
      • StorageReader.has_data1d()
      • StorageReader.get_data1d()
      • StorageReader.data2d_names()
      • StorageReader.has_data2d()
      • StorageReader.get_data2d()
    • StorageWriter
      • StorageWriter.as_reader()
      • StorageWriter.update()
      • StorageWriter.set_item()
      • StorageWriter.create_axis()
      • StorageWriter.set_vector()
      • StorageWriter.set_matrix()
      • StorageWriter.create_dense_in_rows()
    • prefix()
    • suffix()
  • daf.storage formats
    • daf.storage.memory
      • MemoryStorage
    • daf.storage.files
      • FilesReader
        • FilesReader.path
      • FilesWriter
    • daf.storage.h5fs
      • H5fsReader
        • H5fsReader.group
      • H5fsWriter
    • daf.storage.anndata
      • AnnDataReader
        • AnnDataReader.adata
      • AnnDataWriter
      • storage_as_anndata()
      • anndata_as_storage()
    • daf.storage.none
      • NO_STORAGE
  • daf.storage support
    • daf.storage.chains
      • StorageChain
        • StorageChain.chain
    • daf.storage.views
      • AxisView
        • AxisView.name
        • AxisView.entries
        • AxisView.track
        • AxisView.overwrite
      • StorageView
        • StorageView.base
        • StorageView.cache
        • StorageView.axis_slice_indices()
        • StorageView.exposed_axis()
        • StorageView.exposed_item()
        • StorageView.exposed_data1d()
        • StorageView.exposed_data2d()
        • StorageView.base_axis()
        • StorageView.base_item()
        • StorageView.base_data1d()
        • StorageView.base_data2d()
    • daf.storage.memory_mapping
      • exists_memory_mapped_array()
      • remove_memory_mapped_array()
      • create_memory_mapped_array()
      • open_memory_mapped_array()
      • exists_memory_mapped_sparse()
      • remove_memory_mapped_sparse()
      • write_memory_mapped_sparse()
      • open_memory_mapped_sparse()
      • allow_maximal_open_files()
      • MMAP_CACHE
      • mmap_file()
      • bytes_as_ndarray()
• daf.typing
  • daf.typing 1D data
    • daf.typing.vectors
      • Vector
      • is_vector()
      • be_vector()
      • as_vector()
    • daf.typing.series
      • is_series()
      • be_series()
  • daf.typing 2D data
    • daf.typing.dense
      • Dense
      • is_dense()
      • be_dense()
      • as_dense()
      • DenseInRows
      • is_dense_in_rows()
      • be_dense_in_rows()
      • DenseInColumns
      • is_dense_in_columns()
      • be_dense_in_columns()
    • daf.typing.sparse
      • Sparse
      • is_sparse()
      • be_sparse()
      • SparseInRows
      • is_sparse_in_rows()
      • be_sparse_in_rows()
      • SparseInColumns
      • is_sparse_in_columns()
      • be_sparse_in_columns()
    • daf.typing.matrices
      • Matrix
      • is_matrix()
      • be_matrix()
      • as_matrix()
      • MatrixInRows
      • is_matrix_in_rows()
      • be_matrix_in_rows()
      • MatrixInColumns
      • is_matrix_in_columns()
      • be_matrix_in_columns()
    • daf.typing.frames
      • Frame
      • is_frame()
      • be_frame()
      • FrameInRows
      • is_frame_in_rows()
      • be_frame_in_rows()
      • FrameInColumns
      • is_frame_in_columns()
      • be_frame_in_columns()
  • daf.typing support
    • daf.typing.unions
      • AnyData
      • Known
      • is_known()
      • be_known()
      • Known1D
      • is_known1d()
      • be_known1d()
      • Known2D
      • is_known2d()
      • be_known2d()
      • Proper
      • is_proper()
      • be_proper()
      • Proper1D
      • is_proper1d()
      • be_proper1d()
      • Proper2D
      • is_proper2d()
      • be_proper2d()
      • ProperInRows
      • is_proper_in_rows()
      • be_proper_in_rows()
      • ProperInColumns
      • is_proper_in_columns()
      • be_proper_in_columns()
    • daf.typing.dtypes
      • STR_DTYPE
      • INT_DTYPES
      • FLOAT_DTYPES
      • NUM_DTYPES
      • FIXED_DTYPES
      • ENTRIES_DTYPES
      • ALL_DTYPES
      • DType
      • DTypes
      • dtype_of()
      • has_dtype()
      • is_dtype()
    • daf.typing.layouts
      • AnyMajor
        • AnyMajor.name
        • AnyMajor.numpy_order
        • AnyMajor.numpy_flag
        • AnyMajor.contiguous_axis
        • AnyMajor.sparse_class
        • AnyMajor.sparse_class_name
      • ROW_MAJOR
      • COLUMN_MAJOR
      • has_layout()
      • copy2d()
      • fast_all_close()
      • as_layout()
      • BLOCK_SIZE
    • daf.typing.optimization
      • KnownT
      • why_not_optimal()
      • is_optimal()
      • be_optimal()
      • optimize()
    • daf.typing.freezing
      • ProperT
      • freeze()
      • unfreeze()
      • is_frozen()
      • unfrozen()
    • daf.typing.descriptions
      • data_description()
      • assert_data()
    • daf.typing fake
      • Series
      • DataFrame
      • spmatrix
      • cs_matrix
• daf.groups
  • aggregate_group_data1d()
  • aggregate_group_data2d()
  • most_frequent()
  • create_group_axis()
  • count_group_members()
  • count_group_values()
  • assign_group_values()
• Index