Compare two records in same data set

[Ashpak]

Data set growth has 50K records

here are sample data set looks like, I would like to compare by node,period  of growth value  (REC1-Rec2)> +-5000 the select the Node or display the node

this needs to repeated all the records by node and period only

STRATEGY	NODE	Period	Fast_GROWTH_DAY_NUM	GROWTH_VALUE
Mar9QF Strategy	892922	1	1	32468.1295
MML Strategy	892922	1	1	32468.1295
MML Strategy	892922	2	1	36007.7485
Mar9QF Strategy	892922	2	1	36007.7485
Mar9QF Strategy	892922	3	1	36007.7485
MML Strategy	892922	3	1	36007.7485
MML Strategy	892922	4	1	36007.7485
Mar9QF Strategy	892922	4	1	36007.7485

How to do this SAS

[japelin]

In this sample data, can you indicate which data you want to compare with which data?

[andreas_lds]

Please post data in usable form and show what you expect as result.

The lag-function can be used to access values in prior observation(s).