Data Frame

Class full path: TabularDataUtil.DataFrame

Bases: dict

Two-dimensional tabular data structure with labeled axes (rows and columns)

Functions

__getitem__(key)

Get items

Parameters:

Name	Type	Description	Default
key	Union[int, str, slice, Series]	it can be	required

Returns:

Type	Description
Union[DataFrame, Series]	item for the index

__init__(data=None, columns=None, index=None)

Initialization of class DataFrame

Parameters:

Name	Type	Description	Default
data	Optional[Dict[Union[int, str], List[str]]]	tabular data which is a dictionary of lists	None
columns	Optional[Union[List[int], List[str]]]	column labels	None
index	Optional[List[int]]	row index	None

__iter__()

get the data frame iterator

Yields:

Type	Description
Iterator	data frame iterator

__len__()

get the length of the data frame

Returns:

Type	Description
int	length of the data frame

__repr__()

create a string from the data frame

Returns:

Type	Description
str	data frame string

get_row(key, value)

Get a row from data frame by a condition: column_label == value

Parameters:

Name	Type	Description	Default
key	str	column label	required
value	str	new value	required

Returns:

Type	Description
Optional[Series]	row value

loc(location)

Get a row from data frame

Parameters:

Name	Type	Description	Default
location	int	int value of row index, natural row index	required

Returns:

Type	Description
Series	Series

short_repr()

Represent the DataFrame by its row size x column size

Returns:

Type	Description
str	short data string frame