Exemplos de pycov em Python

Exemplo n.º 1

def cov(
    a: Union[str, "pl.Expr"],
    b: Union[str, "pl.Expr"],
) -> "pl.Expr":
    """
    Compute the covariance between two columns/ expressions.

    Parameters
    ----------
    a
        Column name or Expression.
    b
        Column name or Expression.
    """
    if isinstance(a, str):
        a = col(a)
    if isinstance(b, str):
        b = col(b)
    return pl.lazy.expr.wrap_expr(pycov(a._pyexpr, b._pyexpr))

Exemplo n.º 2

Arquivo: lazy_functions.py Projeto: pola-rs/polars

def cov(
    a: str | pli.Expr,
    b: str | pli.Expr,
) -> pli.Expr:
    """
    Compute the covariance between two columns/ expressions.

    Parameters
    ----------
    a
        Column name or Expression.
    b
        Column name or Expression.
    """
    if isinstance(a, str):
        a = col(a)
    if isinstance(b, str):
        b = col(b)
    return pli.wrap_expr(pycov(a._pyexpr, b._pyexpr))