This method mapped [0, 1] by scalar quantity, ordinal variable, duality variable.The intrusion detection was well solved by calculating the minimum diversity between in data object and individually.

• 该方法将区间标量、序数变量、二元变量标称变量类型的属性映射到区间[0,1]上，计算每个数据对象之间以及与各个簇的差异度，很好地解决了异常入侵。