Documentation

interpret :: Columnable a => DataFrame -> Expr a -> Either DataFrameException (TypedColumn a) Source #

data AggregationResult a Source #

interpretAggregation :: Columnable a => GroupedDataFrame -> Expr a -> Either DataFrameException (AggregationResult a) Source #

handleInterpretException :: String -> DataFrameException -> DataFrameException Source #

numRows :: DataFrame -> Int Source #

mkUnaggregatedColumnBoxed :: Columnable a => Vector a -> Vector Int -> Vector Int -> Vector (Vector a) Source #

mkUnaggregatedColumnUnboxed :: (Columnable a, Unbox a) => Vector a -> Vector Int -> Vector Int -> Vector (Vector a) Source #

mkAggregatedColumnUnboxed :: (Columnable a, Unbox a, Columnable b, Unbox b) => Vector a -> Vector Int -> Vector Int -> (Vector a -> b) -> Vector b Source #

mkReducedColumnUnboxed :: Unbox a => Vector a -> Vector Int -> Vector Int -> (a -> a -> a) -> Vector a Source #

mkReducedColumnBoxed :: Vector a -> Vector Int -> Vector Int -> (a -> a -> a) -> Vector a Source #

nestedTypeException :: (Typeable a, Typeable b) => String -> DataFrameException Source #

mkTypeMismatchException :: (Typeable a, Typeable b) => Maybe String -> Maybe String -> TypeErrorContext a b -> DataFrameException Source #