code: function min (arr) {
      if (isArray(arr) && !(arr[0] instanceof Array)) {
          // Filter out undefined, null and NaN values
          const filteredValues = getFilteredValues(arr);
  
          return (filteredValues.length) ? Math.min(...filteredValues) : InvalidAwareTypes.NULL;
      }
      return InvalidAwareTypes.NULL;
  }
docs: Reducer function that gives the min value amongst all the values.
  
  @public
  @param  {Array.<number>} arr - The input array.
  @return {number} Returns the minimum value of the array.