Function calculate_vortex

Source
pub fn calculate_vortex(
    df: &DataFrame,
    high_col: &str,
    low_col: &str,
    close_col: &str,
    period: usize,
) -> PolarsResult<(Series, Series)>
Expand description

Calculate Vortex Indicator (VI+ and VI-)

Returns (vi_plus, vi_minus) as Series