How to write SAS Macros for multiple iterations of a same code ?

[ivyc]

Hi ,I am new to SAS .

I need to pull statement data by month as of Jan 2014 .

Each month of data 1,2,3,4,5,6,months of performance for base month. (so for Jan 14 I pull Feb,Mar,Apr,May,Jun,Jul 14 data to check performance,for Feb2014 I pull Mar,Apr,May,Jun,Jul, August 2014 , etc.)

I need to do that for January 2014   Aug 18.

Which is 56 months and each month has 6 months pf perf.

Something like this below. For I iteration =1 I have base month and track performance by 6 different dates.

etc...

I	base_month	m1	m2	m3	m4	m5	m6
1	201401	201402	201403	201404	201405	201406	201407
2	201402	201403	201404	201405	201406	201407	201408
3	201403	201404	201405	201406	201407	201408	201409
4	201404	201405	201406	201407	201408	201409	201410
5	201405	201406	201407	201408	201409	201410	201411
6	201406	201407	201408	201409	201410	201411	201412
7	201407	201408	201409	201410	201411	201412	201501
8	201408	201409	201410	201411	201412	201501	201502
9	201409	201410	201411	201412	201501	201502	201503
10	201410	201411	201412	201501	201502	201503	201504
11	201411	201412	201501	201502	201503	201504	201505
12	201412	201501	201502	201503	201504	201505	201506
13	201501	201502	201503	201504	201505	201506	201507
14	201502	201503	201504	201505	201506	201507	201508
15	201503	201504	201505	201506	201507	201508	201509
16	201504	201505	201506	201507	201508	201509	201510
17	201505	201506	201507	201508	201509	201510	201511
18	201506	201507	201508	201509	201510	201511	201512
19	201507	201508	201509	201510	201511	201512	201601
20	201508	201509	201510	201511	201512	201601	201602
21	201509	201510	201511	201512	201601	201602	201603
22	201510	201511	201512	201601	201602	201603	201604
23	201511	201512	201601	201602	201603	201604	201605
24	201512	201601	201602	201603	201604	201605	201606
25	201601	201602	201603	201604	201605	201606	201607
26	201602	201603	201604	201605	201606	201607	201608
27	201603	201604	201605	201606	201607	201608	201609
28	201604	201605	201606	201607	201608	201609	201610
29	201605	201606	201607	201608	201609	201610	201611
30	201606	201607	201608	201609	201610	201611	201612
31	201607	201608	201609	201610	201611	201612	201701
32	201608	201609	201610	201611	201612	201701	201702
33	201609	201610	201611	201612	201701	201702	201703
34	201610	201611	201612	201701	201702	201703	201704
35	201611	201612	201701	201702	201703	201704	201705
36	201612	201701	201702	201703	201704	201705	201706
37	201701	201702	201703	201704	201705	201706	201707
38	201702	201703	201704	201705	201706	201707	201708
39	201703	201704	201705	201706	201707	201708	201709
40	201704	201705	201706	201707	201708	201709	201710
41	201705	201706	201707	201708	201709	201710	201711
42	201706	201707	201708	201709	201710	201711	201712
43	201707	201708	201709	201710	201711	201712	201801
44	201708	201709	201710	201711	201712	201801	201802
45	201709	201710	201711	201712	201801	201802	201803
46	201710	201711	201712	201801	201802	201803	201804
47	201711	201712	201801	201802	201803	201804	201805
48	201712	201801	201802	201803	201804	201805	201806
49	201801	201802	201803	201804	201805	201806	201807
50	201802	201803	201804	201805	201806	201807	201808
51	201803	201804	201805	201806	201807	201808	201809
52	201804	201805	201806	201807	201808	201809	201810
53	201805	201806	201807	201808	201809	201810	201811
54	201806	201807	201808	201809	201810	201811	201812
55	201807	201808	201809	201810	201811	201812	201901
56	201808	201809	201810	201811	201812	201901	201902

Is there a way to create a Macro that will help me run this code so many times?

[Astounding]

There might be a  macro.

There might be a short way to do this without macros.

But we would need to see what the "before" data looks like.  The you data posted is really a concept of what the "after" result should look like.  So show the "before" picture and there might be a way.

[novinosrin]

Not sure whether your request is so simple as the below coz like @Astounding pointed out, we do not know the bigger picture. 

/*vyc's request i think*/
%let start=	'01jan2014'd;
%let end= '01aug2018'd;
data wvyc;
do j=0 to intck('month',&start, &end);
base=intnx('month',	&start,j);
array m(6);
	do i=1 to dim(m);
	m(i)=intnx('month',base,i) ;
	end;
	output;
end;
format base m:  yymmd.;
drop i;
run;

If the above is not your requirement, i'll follow the thread tomorrow as i'm gonna sleep. Good night from Chicago!