Filters

TableFrame.extract_as_columns	Extract a slice of rows from the table as a column-oriented dictionary.
TableFrame.extract_as_rows	Extract a slice of rows from the TableFrame as a list of dictionaries.
TableFrame.filter	Filter the TableFrame based on the given predicates.
TableFrame.first	Return a TableFrame with the first row.
TableFrame.first_row	Return a tuple or dictionary with the first row, or None if no row.
TableFrame.head	Return a TableFrame with the first n rows.
TableFrame.last	Return a TableFrame with the last row.
TableFrame.last_row	Return a tuple or dictionary with the last row, or None if no row.
TableFrame.limit	Return a TableFrame with the first n rows.
TableFrame.slice	Return a TableFrame with a slice of the original TableFrame
TableFrame.tail	Return a TableFrame with the last n rows.
TableFrame.unique	Deduplicate rows from the TableFrame.
Expr.filter	Apply a filter predicate to an expression.
Expr.slice	Compute a slice of the TableFrame for the specified columns.