Struct polars::chunked_array::object::datatypes::Float64Type

pub struct Float64Type {}

Trait Implementations

impl ArrowPrimitiveType for Float64Type

type Native = f64

Corresponding Rust native type for the primitive type.

pub const DATA_TYPE: DataType

the corresponding Arrow data type of this primitive type.

fn get_byte_width() -> usize

Returns the byte width of this primitive type.

fn default_value() -> Self::Native

Returns a default value of this primitive type.

impl ChunkUnique<Float64Type> for ChunkedArray<Float64Type>

pub fn unique(&self) -> Result<ChunkedArray<Float64Type>, PolarsError>

Get unique values of a ChunkedArray

pub fn arg_unique(&self) -> Result<ChunkedArray<UInt32Type>, PolarsError>

Get first index of the unique values in a ChunkedArray. This Vec is sorted.

pub fn is_unique(&self) -> Result<ChunkedArray<BooleanType>, PolarsError>

Get a mask of all the unique values.

pub fn is_duplicated(&self) -> Result<ChunkedArray<BooleanType>, PolarsError>

Get a mask of all the duplicated values.

pub fn value_counts(&self) -> Result<DataFrame, PolarsError>

Count the unique values.

fn n_unique(&self) -> Result<usize, PolarsError>

Number of unique values in the ChunkedArray

impl Debug for Float64Type

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl PolarsDataType for Float64Type

pub fn get_dtype() -> DataType

impl ToDummies<Float64Type> for ChunkedArray<Float64Type>

fn to_dummies(&self) -> Result<DataFrame, PolarsError>

impl ArrowFloatNumericType for Float64Type

impl ArrowNumericType for Float64Type

impl ArrowSignedNumericType for Float64Type

impl PolarsFloatType for Float64Type

impl PolarsNumericType for Float64Type

impl PolarsPrimitiveType for Float64Type