groupobs

			groupobs(f, data)

Split data container data data into different data containers, grouping observations by f(obs).

			
			
			
			data
			 
			=
			
			 
			-10
			:
			10
			

			
			datas
			 
			=
			 
			

			groupobs
			(
			
			>
			(
			0
			)
			,
			 
			data
			)
			

			
			
			length
			(
			datas
			)
			 
			==
			 
			2