typespecs.frame module#

typespecs.frame.coalesce(frame: DataFrame, /) → DataFrame[source]#

Coalesce multiple rows of a DataFrame into a single row.

Parameters:

frame – DataFrame to coalesce.

Returns:

Coalesced DataFrame (single row).

typespecs.frame.concat(frames: Iterable[DataFrame], /) → DataFrame[source]#

Concatenate DataFrames row-wise with missing values filled with <NA>.

Parameters:

frames – DataFrames to concatenate.

Returns:

Concatenated DataFrame.

typespecs.frame.fillna(frame: DataFrame, value: Mapping[str, Any] | Any, /) → DataFrame[source]#

Fill missing values (<NA> only) in given DataFrame with given value.

Parameters:

  • frame – DataFrame to fill.

  • value – Default value for each column. Either a single value or a mapping of column names to values is accepted. If the specified columns are not present in frame, each column filled with the specified value will be added.

Returns:

DataFrame with missing values (<NA> only) filled.

typespecs.frame.isna(frame: DataFrame, /) → DataFrame[source]#

Detect missing values (<NA> only) in given DataFrame.

Parameters:

frame – DataFrame to check.

Returns:

Boolean DataFrame indicating missing values (<NA> only).