Differences between UDA and attribute?

Sno	UDA	Attribute
1	UDA is a flag or label	Attribute is a member
2	Through UDA’s we can group and analyze both dense and sparse dimension members	Through attributes we can group and analyze the sparse dimension members only
3	We can associate one or more UDA’s to one standard dimension members	We can associate only one attribute member to the standard dimension member
4	UDA’s can associate at any level or at any generation	Attribute members can associate at same generation or any level
5	text	We can use attribute types like Boolean, text, numeric, date
6	Calculations are not possible	Calculations possible through five functions like sum, count, min, max, avg
7	We can use UDA’s  in calc scripts	We can’t use attribute members in calc scripts