Method unique

src/danfojs-base/core/series.ts:1081–1085

* Returns a Series with only the unique value(s) in the original Series * @example * ``` * const sf = new Series([1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6]); * const sf2 = sf.unique(); * console.log(sf2.values); * //output [ 1, 2, 3, 4, 5, 6 ] * ```

()

     * ```
    */
    unique(): Series {
        const newValues = new Set(this.values as ArrayType1D);
        let series = new Series(Array.from(newValues));
        return series;
    }

    /**
     * Return the number of unique elements in a Series