Struct polars::datatypes::BooleanType

pub struct BooleanType {}

Implementations

impl BooleanType

pub const DATA_TYPE: DataType

Trait Implementations

impl ChunkCumAgg<BooleanType> for ChunkedArray<BooleanType>

pub fn cum_max(&self, reverse: bool) -> ChunkedArray<BooleanType>

Get an array with the cumulative max computed at every element

pub fn cum_min(&self, reverse: bool) -> ChunkedArray<BooleanType>

Get an array with the cumulative min computed at every element

pub fn cum_sum(&self, _reverse: bool) -> ChunkedArray<T>

Get an array with the cumulative sum computed at every element

impl ChunkExpandAtIndex<BooleanType> for ChunkedArray<BooleanType>

pub fn expand_at_index(
    &self,
    index: usize,
    length: usize
) -> ChunkedArray<BooleanType>

Create a new ChunkedArray filled with values at that index.

impl ChunkFilter<BooleanType> for ChunkedArray<BooleanType>

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

Filter values in the ChunkedArray with a boolean mask.

impl ChunkReverse<BooleanType> for ChunkedArray<BooleanType>

pub fn reverse(&self) -> ChunkedArray<BooleanType>

Return a reversed version of this array.

impl ChunkShift<BooleanType> for ChunkedArray<BooleanType>

pub fn shift(&self, periods: i64) -> ChunkedArray<BooleanType>

impl ChunkShiftFill<BooleanType, Option<bool>> for ChunkedArray<BooleanType>

pub fn shift_and_fill(
    &self,
    periods: i64,
    fill_value: Option<bool>
) -> ChunkedArray<BooleanType>

Shift the values by a given period and fill the parts that will be empty due to this operation with fill_value.

impl ChunkSort<BooleanType> for ChunkedArray<BooleanType>

pub fn sort(&self, reverse: bool) -> ChunkedArray<BooleanType>

Returned a sorted ChunkedArray.

pub fn sort_in_place(&mut self, reverse: bool)

Sort this array in place.

pub fn argsort(&self, reverse: bool) -> ChunkedArray<UInt32Type>

Retrieve the indexes needed to sort this array.

impl ChunkTakeEvery<BooleanType> for ChunkedArray<BooleanType>

pub fn take_every(&self, n: usize) -> ChunkedArray<BooleanType>

Traverse and collect every nth element in a new array.

impl ChunkUnique<BooleanType> for ChunkedArray<BooleanType>

pub fn unique(&self) -> Result<ChunkedArray<BooleanType>, 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 n_unique(&self) -> Result<usize, PolarsError>

Number of unique values in the ChunkedArray

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

Count the unique values.

impl ChunkZip<BooleanType> for ChunkedArray<BooleanType>

pub fn zip_with(
    &self,
    mask: &ChunkedArray<BooleanType>,
    other: &ChunkedArray<BooleanType>
) -> Result<ChunkedArray<BooleanType>, PolarsError>

Create a new ChunkedArray with values from self where the mask evaluates true and values from other where the mask evaluates false

impl ChunkedBuilder<bool, BooleanType> for BooleanChunkedBuilder

pub fn append_value(&mut self, v: bool)

Appends a value of type T into the builder

pub fn append_null(&mut self)

Appends a null slot into the builder

pub fn finish(self) -> ChunkedArray<BooleanType>

pub fn append_option(&mut self, opt_val: Option<N>)

impl Debug for BooleanType

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

Formats the value using the given formatter.

impl NewChunkedArray<BooleanType, bool> for ChunkedArray<BooleanType>

pub fn new_from_slice(name: &str, v: &[bool]) -> ChunkedArray<BooleanType>

pub fn new_from_opt_slice(
    name: &str,
    opt_v: &[Option<bool>]
) -> ChunkedArray<BooleanType>

pub fn new_from_opt_iter(
    name: &str,
    it: impl Iterator<Item = Option<bool>>
) -> ChunkedArray<BooleanType>

Create a new ChunkedArray from an iterator.

pub fn new_from_iter(
    name: &str,
    it: impl Iterator<Item = bool>
) -> ChunkedArray<BooleanType>

Create a new ChunkedArray from an iterator.

impl PolarsDataType for BooleanType

pub fn get_dtype() -> DataType

impl ToDummies<BooleanType> for ChunkedArray<BooleanType>

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