Method $checkAndCleanValues

src/danfojs-base/core/series.ts:474–482

* Checks if the array value passed has a compatible dtype, removes NaN values, and if * boolean values are present, converts them to integer values.

(values: ArrayType1D, operation: string)

     * boolean values are present, converts them to integer values.
    */
    private $checkAndCleanValues(values: ArrayType1D, operation: string): number[] {
        if (this.dtypes[0] == "string") ErrorThrower.throwStringDtypeOperationError(operation)
        values = utils.removeMissingValuesFromArray(values);

        if (this.dtypes[0] == "boolean") {
            values = (utils.mapBooleansToIntegers(values as boolean[], 1) as ArrayType1D);
        }
        return values as number[]
    }

    /**
     * Returns the mean of elements in Series.