Tablelayer

class sds_data_model.table.TableLayer(name, df, metadata)

Class for simple rectangular table data.

Parameters

• name (str) –

• df (pandas.core.frame.DataFrame) –

• metadata (sds_data_model.metadata.Metadata) –

Return type

None

name

Name of data.

Type

str

df

pandas dataframe storing data.

Type

DataFrame

metadata

metadata for data.

Type

Metadata

__init__(name, df, metadata)

Parameters

• name (str) –

• df (pandas.core.frame.DataFrame) –

• metadata (sds_data_model.metadata.Metadata) –

Return type

None

Methods

__init__(name, df, metadata)
from_file(data_path[, data_kwargs, ...])	Load data from a file.
join(other[, how, kwargs])	Join two TableLayers using pandas merge method.
select(columns)	Select columns from TableLayer DataFrame.
where(condition)	Filter rows from TableLayer DataFrame using pandas Series object.

Attributes

name
df
metadata

classmethod from_file(data_path, data_kwargs=None, metadata_path=None, name=None)

Load data from a file.

Parameters

• data_path (str) – filepath or url for data.

• data_kwargs (Dict[str, Any], optional) – Additional arguments to pass to data reader. Defaults to None.

• metadata_path (str, optional) – filepath or url for metadata. Defaults to None.

• name (str, optional) – Name of data. Defaults to None.

Raises

NotImplementedError – # TODO

Returns

TableLayer object.

Return type

_TableLayer

join(other, how='left', kwargs=None)

Join two TableLayers using pandas merge method.

Examples

# TODO

Parameters

• other (_TableLayer) – # TODO

• how (str) – # TODO. Defaults to “left”.

• kwargs (Dict[str, Any], optional) – # TODO. Defaults to None.

• self (sds_data_model.table._TableLayer) –

Returns

# TODO

Return type

_TableLayer

select(columns)

Select columns from TableLayer DataFrame.

Examples

# TODO

Parameters

• columns (Union[str, List[str]]) – # TODO

• self (sds_data_model.table._TableLayer) –

Returns

# TODO

Return type

_TableLayer

where(condition)

Filter rows from TableLayer DataFrame using pandas Series object.

Examples

# TODO

Parameters

• condition (Series) – # TODO

• self (sds_data_model.table._TableLayer) –

Returns

# TODO

Return type

_TableLayer