Problem with dates

umberto · Posted 07-12-2018 11:51 AM

Hello everyone,
I'm trying to work on the dates of the file I've attached.
I would like to select the dates (the variable A) equal to 2015 (all the dates of the year 2015), but the code that I thought does not allow me to do it, where am I doing wrong?

code:

proc print data=x4;
where A=2015;
run;

Thank you all for your help.

novinosrin · Posted 07-12-2018 11:53 AM

Can you please post your log?

novinosrin · Posted 07-12-2018 12:05 PM

Here is my test

data x4;
input A	(B	C	D	Marca) (:$30.);
cards;
2015	$2.401.293	1298052	$1,85	Corona
2015	$2.240.525	1214189	$1,85	Corona
2015	$2.429.609	1361074	$1,79	Corona
2015	$2.598.085	1507040	$1,72	Corona
2015	$2.449.948	1368503	$1,79	Corona
2015	$2.399.437	1316632	$1,82	Corona
2015	$2.300.180	1239181	$1,86	Corona
2015	$2.363.694	1289863	$1,83	Corona
2015	$2.503.367	1398150	$1,79	Corona
2015	$2.869.331	1670065	$1,72	Corona
2015	$2.581.326	1414449	$1,82	Corona
2015	$2.381.142	1269756	$1,88	Corona
2015	$2.546.393	1395098	$1,83	Corona
2015	$3.143.515	1731045	$1,82	Corona
2015	$3.078.832	1702057	$1,81	Corona
2015	$3.515.778	2001541	$1,76	Corona
2015	$3.798.680	2220601	$1,71	Corona
2015	$3.907.252	2245075	$1,74	Corona
2015	$3.933.903	2138421	$1,84	Corona
2015	$3.989.391	2098149	$1,90	Corona
2015	$3.657.998	1882802	$1,94	Corona
2015	$3.752.848	1923631	$1,95	Corona
2015	$5.428.743	2880771	$1,88	Corona
2015	$5.856.748	3391333	$1,73	Corona
2015	$5.760.364	3497569	$1,65	Corona
2015	$5.620.444	3387398	$1,66	Corona
2015	$5.421.989	2924928	$1,85	Corona
2015	$5.311.350	2705189	$1,96	Corona
2015	$6.588.735	3606473	$1,83	Corona
2015	$7.154.314	3998110	$1,79	Corona
2015	$6.193.864	3392740	$1,83	Corona
2015	$6.426.027	3456459	$1,86	Corona
2015	$6.119.143	3257299	$1,88	Corona
2015	$5.056.019	2677060	$1,89	Corona
2015	$4.725.910	2445348	$1,93	Corona
2015	$4.903.411	2587641	$1,89	Corona
2015	$4.232.733	2298863	$1,84	Corona
2015	$3.780.492	1985291	$1,90	Corona
2015	$3.261.681	1670766	$1,95	Corona
2015	$3.038.481	1561400	$1,95	Corona
2015	$3.219.068	1687404	$1,91	Corona
2015	$3.228.621	1719931	$1,88	Corona
2015	$3.477.944	1991032	$1,75	Corona
2015	$3.183.484	1775932	$1,79	Corona
2015	$3.066.095	1644337	$1,86	Corona
2015	$2.874.376	1500549	$1,92	Corona
2015	$2.770.300	1474453	$1,88	Corona
2015	$2.701.548	1450353	$1,86	Corona
2015	$3.055.426	1742918	$1,75	Corona
2015	$3.130.302	1802359	$1,74	Corona
2015	$2.727.479	1463923	$1,86	Corona
2015	$2.432.938	1272290	$1,91	Corona
2016	$3.012.242	1595368	$1,89	Corona
2016	$2.482.576	1290488	$1,92	Corona
2016	$2.410.369	1239953	$1,94	Corona
2016	$2.580.602	1339683	$1,93	Corona
2016	$2.762.379	1478291	$1,87	Corona
2016	$2.752.721	1482208	$1,86	Corona
2016	$2.630.070	1372870	$1,92	Corona
2016	$2.564.244	1337283	$1,92	Corona
2016	$2.669.815	1399962	$1,91	Corona
2016	$3.060.474	1734433	$1,76	Corona
2016	$2.702.380	1439569	$1,88	Corona
2016	$3.132.119	1747713	$1,79	Corona
2016	$3.561.353	2009843	$1,77	Corona
2016	$2.894.752	1505699	$1,92	Corona
2016	$3.142.093	1665079	$1,89	Corona
2016	$3.306.338	1742239	$1,90	Corona
2016	$3.906.219	2176708	$1,79	Corona
2016	$3.297.336	1810461	$1,82	Corona
2016	$3.610.589	1969977	$1,83	Corona
2016	$3.560.401	1894616	$1,88	Corona
2016	$3.957.424	2202340	$1,80	Corona
2016	$4.554.520	2593001	$1,76	Corona
2016	$4.765.529	2757949	$1,73	Corona
2016	$5.231.766	3147870	$1,66	Corona
2016	$5.192.040	3079161	$1,69	Corona
2016	$5.770.263	3362349	$1,72	Corona
2016	$6.136.745	3408353	$1,80	Corona
2016	$6.097.780	3395471	$1,80	Corona
2016	$5.483.525	3008178	$1,82	Corona
2016	$5.366.290	2914349	$1,84	Corona
2016	$6.131.887	3549358	$1,73	Corona
2016	$6.491.191	3803071	$1,71	Corona
2016	$6.420.202	3642583	$1,76	Corona
2016	$5.292.455	3002212	$1,76	Corona
2016	$5.437.422	3110229	$1,75	Corona
2016	$5.559.884	3262123	$1,70	Corona
2016	$4.596.505	2567425	$1,79	Corona
2016	$4.030.223	2199410	$1,83	Corona
2016	$3.597.178	1978528	$1,82	Corona
2016	$4.075.848	2377707	$1,71	Corona
2016	$3.527.351	1993338	$1,77	Corona
2016	$3.168.448	1760041	$1,80	Corona
2016	$3.340.964	1888929	$1,77	Corona
2016	$2.901.417	1539794	$1,88	Corona
2016	$3.269.915	1799819	$1,82	Corona
2016	$3.034.220	1716729	$1,77	Corona
2016	$2.584.874	1356354	$1,91	Corona
2016	$2.625.575	1415839	$1,85	Corona
2016	$2.995.898	1703142	$1,76	Corona
2016	$3.136.491	1793786	$1,75	Corona
2016	$2.701.042	1505616	$1,79	Corona
2016	$2.819.784	1579564	$1,79	Corona
2017	$2.625.789	1408203	$1,86	Corona
2017	$2.399.134	1245206	$1,93	Corona
2017	$2.491.524	1324989	$1,88	Corona
2017	$2.881.621	1641332	$1,76	Corona
2017	$3.044.861	1768223	$1,72	Corona
2017	$3.036.932	1688535	$1,80	Corona
2017	$2.735.011	1441694	$1,90	Corona
2017	$2.781.392	1458877	$1,91	Corona
2017	$3.183.069	1827750	$1,74	Corona
2017	$3.555.341	2123429	$1,67	Corona
2017	$3.127.962	1747175	$1,79	Corona
2017	$2.790.520	1439912	$1,94	Corona
2017	$3.234.497	1838164	$1,76	Corona
2017	$3.696.394	2191060	$1,69	Corona
2017	$4.155.316	2610266	$1,59	Corona
2017	$5.113.312	3213180	$1,59	Corona
2017	$3.709.290	2090624	$1,77	Corona
2017	$3.912.278	2184906	$1,79	Corona
2017	$3.706.881	2172866	$1,71	Corona
2017	$4.065.499	2405640	$1,69	Corona
2017	$4.138.481	2294172	$1,80	Corona
2017	$4.257.728	2291431	$1,86	Corona
2017	$6.382.924	3939062	$1,62	Corona
2017	$6.240.262	3995014	$1,56	Corona
2017	$7.294.350	4653350	$1,57	Corona
2017	$7.057.084	4407099	$1,60	Corona
2017	$5.525.736	3189198	$1,73	Corona
2017	$5.546.290	3073447	$1,80	Corona
2017	$6.631.654	3941802	$1,68	Corona
2017	$7.106.850	4355347	$1,63	Corona
2017	$6.448.136	3818678	$1,69	Corona
2017	$6.886.320	3978290	$1,73	Corona
2017	$6.204.337	3552969	$1,75	Corona
2017	$5.791.841	3200999	$1,81	Corona
2017	$5.340.639	2971685	$1,80	Corona
2015	$2.155.272	1090862	$1,98	Tuborg
2015	$1.363.526	624393	$2,18	Tuborg
2015	$1.492.671	705672	$2,12	Tuborg
2015	$1.528.909	740464	$2,06	Tuborg
2015	$1.538.471	757202	$2,03	Tuborg
2015	$1.544.601	755264	$2,05	Tuborg
2015	$1.487.583	699648	$2,13	Tuborg
2015	$1.562.129	730270	$2,14	Tuborg
2015	$1.442.575	644945	$2,24	Tuborg
2015	$1.394.662	611540	$2,28	Tuborg
2015	$1.397.086	629224	$2,22	Tuborg
2015	$1.488.004	688054	$2,16	Tuborg
2015	$2.712.102	1562407	$1,74	Tuborg
2015	$3.137.378	1768672	$1,77	Tuborg
2015	$1.842.172	886775	$2,08	Tuborg
2015	$1.757.814	796285	$2,21	Tuborg
2015	$1.759.336	795142	$2,21	Tuborg
2015	$1.868.520	847881	$2,20	Tuborg
2015	$2.840.486	1459355	$1,95	Tuborg
2015	$3.141.496	1637119	$1,92	Tuborg
2015	$2.557.656	1313285	$1,95	Tuborg
2015	$2.748.463	1480599	$1,86	Tuborg
2015	$3.247.882	1619267	$2,01	Tuborg
2015	$2.883.739	1438540	$2,00	Tuborg
2015	$2.430.596	1178332	$2,06	Tuborg
2015	$2.469.390	1190915	$2,07	Tuborg
2015	$3.149.461	1555356	$2,02	Tuborg
2015	$3.649.731	1783248	$2,05	Tuborg
2015	$3.344.831	1523901	$2,19	Tuborg
2015	$3.314.120	1581207	$2,10	Tuborg
2015	$3.053.990	1469180	$2,08	Tuborg
2015	$3.213.789	1460611	$2,20	Tuborg
2015	$3.345.385	1511161	$2,21	Tuborg
2015	$2.599.598	1196839	$2,17	Tuborg
2015	$2.805.141	1337863	$2,10	Tuborg
2015	$2.909.112	1424664	$2,04	Tuborg
2015	$2.459.944	1200190	$2,05	Tuborg
2015	$2.695.724	1328241	$2,03	Tuborg
2015	$2.077.944	993867	$2,09	Tuborg
2015	$1.660.583	751013	$2,21	Tuborg
2015	$1.670.537	757942	$2,20	Tuborg
2015	$1.601.019	736033	$2,18	Tuborg
2015	$1.737.915	842529	$2,06	Tuborg
2015	$1.790.519	893443	$2,00	Tuborg
2015	$1.503.890	702288	$2,14	Tuborg
2015	$1.498.700	707556	$2,12	Tuborg
2015	$1.480.754	696566	$2,13	Tuborg
2015	$1.264.641	572373	$2,21	Tuborg
2015	$1.336.005	592572	$2,25	Tuborg
2015	$1.516.528	704466	$2,15	Tuborg
2015	$2.050.339	1077666	$1,90	Tuborg
2015	$1.939.660	1001945	$1,94	Tuborg
2016	$1.943.607	939433	$2,07	Tuborg
2016	$1.201.260	532518	$2,26	Tuborg
2016	$1.168.697	509991	$2,29	Tuborg
2016	$1.264.366	563919	$2,24	Tuborg
2016	$1.355.648	619399	$2,19	Tuborg
2016	$1.298.043	587923	$2,21	Tuborg
2016	$1.347.964	596244	$2,26	Tuborg
2016	$1.283.894	565578	$2,27	Tuborg
2016	$1.420.818	663514	$2,14	Tuborg
2016	$1.436.317	666493	$2,16	Tuborg
2016	$1.320.112	590274	$2,24	Tuborg
2016	$1.586.068	773270	$2,05	Tuborg
2016	$1.829.504	890710	$2,05	Tuborg
2016	$1.628.395	749472	$2,17	Tuborg
2016	$1.561.126	720765	$2,17	Tuborg
2016	$1.660.875	781275	$2,13	Tuborg
2016	$2.073.247	994128	$2,09	Tuborg
2016	$1.825.352	874817	$2,09	Tuborg
2016	$1.728.732	785860	$2,20	Tuborg
2016	$1.624.248	722068	$2,25	Tuborg
2016	$2.054.860	974325	$2,11	Tuborg
2016	$2.778.255	1422096	$1,95	Tuborg
2016	$2.481.639	1288255	$1,93	Tuborg
2016	$2.659.023	1417858	$1,88	Tuborg
2016	$2.669.855	1367567	$1,95	Tuborg
2016	$2.806.166	1415812	$1,98	Tuborg
2016	$4.033.890	2173597	$1,86	Tuborg
2016	$3.733.138	2030611	$1,84	Tuborg
2016	$3.052.201	1537601	$1,99	Tuborg
2016	$3.560.065	1843776	$1,93	Tuborg
2016	$4.372.545	2380896	$1,84	Tuborg
2016	$4.096.867	2173442	$1,88	Tuborg
2016	$3.601.563	1741705	$2,07	Tuborg
2016	$2.636.093	1219951	$2,16	Tuborg
2016	$2.747.232	1334878	$2,06	Tuborg
2016	$2.494.455	1221542	$2,04	Tuborg
2016	$2.763.387	1447812	$1,91	Tuborg
2016	$2.931.511	1569054	$1,87	Tuborg
2016	$2.366.540	1243179	$1,90	Tuborg
2016	$2.132.414	1089435	$1,96	Tuborg
2016	$1.626.335	757069	$2,15	Tuborg
2016	$1.568.693	768904	$2,04	Tuborg
2016	$2.112.701	1186360	$1,78	Tuborg
2016	$1.891.004	1022633	$1,85	Tuborg
2016	$1.566.715	741228	$2,11	Tuborg
2016	$1.524.527	737204	$2,07	Tuborg
2016	$1.714.993	857905	$2,00	Tuborg
2016	$1.650.468	807470	$2,04	Tuborg
2016	$1.622.292	802827	$2,02	Tuborg
2016	$1.848.254	957988	$1,93	Tuborg
2016	$2.018.330	1089728	$1,85	Tuborg
2016	$2.332.128	1272668	$1,83	Tuborg
2017	$2.148.771	1128670	$1,90	Tuborg
2017	$1.281.738	596078	$2,15	Tuborg
2017	$1.200.127	549076	$2,19	Tuborg
2017	$1.450.414	706334	$2,05	Tuborg
2017	$1.944.633	1033351	$1,88	Tuborg
2017	$1.945.602	1002647	$1,94	Tuborg
2017	$1.533.689	733291	$2,09	Tuborg
2017	$1.470.579	680931	$2,16	Tuborg
2017	$1.583.707	774579	$2,04	Tuborg
2017	$1.765.497	901243	$1,96	Tuborg
2017	$1.469.920	678009	$2,17	Tuborg
2017	$1.562.109	716722	$2,18	Tuborg
2017	$1.441.660	675072	$2,14	Tuborg
2017	$1.374.701	610590	$2,25	Tuborg
2017	$2.598.230	1392602	$1,87	Tuborg
2017	$3.368.839	1808532	$1,86	Tuborg
2017	$2.175.711	1071957	$2,03	Tuborg
2017	$2.796.582	1435307	$1,95	Tuborg
2017	$3.345.282	1938707	$1,73	Tuborg
2017	$3.513.071	2064541	$1,70	Tuborg
2017	$3.160.980	1716529	$1,84	Tuborg
2017	$2.962.833	1531797	$1,93	Tuborg
2017	$2.901.984	1372103	$2,11	Tuborg
2017	$2.346.532	1146437	$2,05	Tuborg
2017	$2.561.929	1227038	$2,09	Tuborg
2017	$3.485.845	1948464	$1,79	Tuborg
2017	$3.635.221	2072457	$1,75	Tuborg
2017	$4.273.455	2455249	$1,74	Tuborg
2017	$3.769.912	2008026	$1,88	Tuborg
2017	$3.010.008	1487742	$2,02	Tuborg
2017	$3.277.736	1595277	$2,05	Tuborg
2017	$4.186.227	2141289	$1,96	Tuborg
2017	$5.113.867	2973066	$1,72	Tuborg
2017	$4.926.102	2858784	$1,72	Tuborg
2017	$3.140.169	1582410	$1,98	Tuborg
;

proc print data=x4;
where A=2015;
run;

SAS Output

Student Test Scores

A B C D Marca

2015	$2.401.293	1298052	$1,85	Corona
2015	$2.240.525	1214189	$1,85	Corona
2015	$2.429.609	1361074	$1,79	Corona
2015	$2.598.085	1507040	$1,72	Corona
2015	$2.449.948	1368503	$1,79	Corona
2015	$2.399.437	1316632	$1,82	Corona
2015	$2.300.180	1239181	$1,86	Corona
2015	$2.363.694	1289863	$1,83	Corona
2015	$2.503.367	1398150	$1,79	Corona
2015	$2.869.331	1670065	$1,72	Corona
2015	$2.581.326	1414449	$1,82	Corona
2015	$2.381.142	1269756	$1,88	Corona
2015	$2.546.393	1395098	$1,83	Corona
2015	$3.143.515	1731045	$1,82	Corona
2015	$3.078.832	1702057	$1,81	Corona
2015	$3.515.778	2001541	$1,76	Corona
2015	$3.798.680	2220601	$1,71	Corona
2015	$3.907.252	2245075	$1,74	Corona
2015	$3.933.903	2138421	$1,84	Corona
2015	$3.989.391	2098149	$1,90	Corona
2015	$3.657.998	1882802	$1,94	Corona
2015	$3.752.848	1923631	$1,95	Corona
2015	$5.428.743	2880771	$1,88	Corona
2015	$5.856.748	3391333	$1,73	Corona
2015	$5.760.364	3497569	$1,65	Corona
2015	$5.620.444	3387398	$1,66	Corona
2015	$5.421.989	2924928	$1,85	Corona
2015	$5.311.350	2705189	$1,96	Corona
2015	$6.588.735	3606473	$1,83	Corona
2015	$7.154.314	3998110	$1,79	Corona
2015	$6.193.864	3392740	$1,83	Corona
2015	$6.426.027	3456459	$1,86	Corona
2015	$6.119.143	3257299	$1,88	Corona
2015	$5.056.019	2677060	$1,89	Corona
2015	$4.725.910	2445348	$1,93	Corona
2015	$4.903.411	2587641	$1,89	Corona
2015	$4.232.733	2298863	$1,84	Corona
2015	$3.780.492	1985291	$1,90	Corona
2015	$3.261.681	1670766	$1,95	Corona
2015	$3.038.481	1561400	$1,95	Corona
2015	$3.219.068	1687404	$1,91	Corona
2015	$3.228.621	1719931	$1,88	Corona
2015	$3.477.944	1991032	$1,75	Corona
2015	$3.183.484	1775932	$1,79	Corona
2015	$3.066.095	1644337	$1,86	Corona
2015	$2.874.376	1500549	$1,92	Corona
2015	$2.770.300	1474453	$1,88	Corona
2015	$2.701.548	1450353	$1,86	Corona
2015	$3.055.426	1742918	$1,75	Corona
2015	$3.130.302	1802359	$1,74	Corona
2015	$2.727.479	1463923	$1,86	Corona
2015	$2.432.938	1272290	$1,91	Corona
2015	$2.155.272	1090862	$1,98	Tuborg
2015	$1.363.526	624393	$2,18	Tuborg
2015	$1.492.671	705672	$2,12	Tuborg
2015	$1.528.909	740464	$2,06	Tuborg
2015	$1.538.471	757202	$2,03	Tuborg
2015	$1.544.601	755264	$2,05	Tuborg
2015	$1.487.583	699648	$2,13	Tuborg
2015	$1.562.129	730270	$2,14	Tuborg
2015	$1.442.575	644945	$2,24	Tuborg
2015	$1.394.662	611540	$2,28	Tuborg
2015	$1.397.086	629224	$2,22	Tuborg
2015	$1.488.004	688054	$2,16	Tuborg
2015	$2.712.102	1562407	$1,74	Tuborg
2015	$3.137.378	1768672	$1,77	Tuborg
2015	$1.842.172	886775	$2,08	Tuborg
2015	$1.757.814	796285	$2,21	Tuborg
2015	$1.759.336	795142	$2,21	Tuborg
2015	$1.868.520	847881	$2,20	Tuborg
2015	$2.840.486	1459355	$1,95	Tuborg
2015	$3.141.496	1637119	$1,92	Tuborg
2015	$2.557.656	1313285	$1,95	Tuborg
2015	$2.748.463	1480599	$1,86	Tuborg
2015	$3.247.882	1619267	$2,01	Tuborg
2015	$2.883.739	1438540	$2,00	Tuborg
2015	$2.430.596	1178332	$2,06	Tuborg
2015	$2.469.390	1190915	$2,07	Tuborg
2015	$3.149.461	1555356	$2,02	Tuborg
2015	$3.649.731	1783248	$2,05	Tuborg
2015	$3.344.831	1523901	$2,19	Tuborg
2015	$3.314.120	1581207	$2,10	Tuborg
2015	$3.053.990	1469180	$2,08	Tuborg
2015	$3.213.789	1460611	$2,20	Tuborg
2015	$3.345.385	1511161	$2,21	Tuborg
2015	$2.599.598	1196839	$2,17	Tuborg
2015	$2.805.141	1337863	$2,10	Tuborg
2015	$2.909.112	1424664	$2,04	Tuborg
2015	$2.459.944	1200190	$2,05	Tuborg
2015	$2.695.724	1328241	$2,03	Tuborg
2015	$2.077.944	993867	$2,09	Tuborg
2015	$1.660.583	751013	$2,21	Tuborg
2015	$1.670.537	757942	$2,20	Tuborg
2015	$1.601.019	736033	$2,18	Tuborg
2015	$1.737.915	842529	$2,06	Tuborg
2015	$1.790.519	893443	$2,00	Tuborg
2015	$1.503.890	702288	$2,14	Tuborg
2015	$1.498.700	707556	$2,12	Tuborg
2015	$1.480.754	696566	$2,13	Tuborg
2015	$1.264.641	572373	$2,21	Tuborg
2015	$1.336.005	592572	$2,25	Tuborg
2015	$1.516.528	704466	$2,15	Tuborg
2015	$2.050.339	1077666	$1,90	Tuborg
2015	$1.939.660	1001945	$1,94	Tuborg

Reeza · Posted 07-12-2018 12:13 PM

but the code that I thought does not allow me to do it, where am I doing wrong?

What does that mean? Do you get an error? It's possible it read it in as a character then you'd need quotes.

But without the log, we can just guess...

If you're getting errors please post the log.

@umberto wrote:

Hello everyone,
I'm trying to work on the dates of the file I've attached.
I would like to select the dates (the variable A) equal to 2015 (all the dates of the year 2015), but the code that I thought does not allow me to do it, where am I doing wrong?

code:
proc print data=x4;
where A=2015;
run;
Thank you all for your help.

twildone · Posted 07-12-2018 12:22 PM

Try this:

data x4;

input A 4. (B C D Marca) (:$30.);

cards;

Tom · Posted 07-12-2018 12:27 PM

Do you actually have values like 2015 in the data? If so then your code should work.

Or do you have actual date values?

If the later then you could use the YEAR() function to test if the date is in a particular year.

where year(A) = 2015 ;

Or if you have a datetime value you will need to get the date part first.

where year(datepart(A)) = 2015;

If you have a character variable instead then you will need use a string literal in your WHERE clause. Put watch out for leading spaces in your character variable. ' 2015' might look like '2015' when printed but will not match. The STRIP() or LEFT() function will remove leading spaces.

where strip(year)= '2015';

umberto · Posted 07-12-2018 02:07 PM

I thank all of the availability, forgive my imprecision (I'm a beginner);
using where year (A) = 2015; the problem has been solved;
if I understood correctly the obstacle was due to the fact that 2015 was a format, while the value saved by Sas was a date? so the date that appeared (2015,2016 and 2017) was only displayed as such, but saved with another value?

ballardw · Posted 07-12-2018 06:59 PM

@umberto wrote:

I thank all of the availability, forgive my imprecision (I'm a beginner);
using where year (A) = 2015; the problem has been solved;
if I understood correctly the obstacle was due to the fact that 2015 was a format, while the value saved by Sas was a date? so the date that appeared (2015,2016 and 2017) was only displayed as such, but saved with another value?

If that solved the problem then the value was stored as a SAS date value. SAS date values are the number of days from 1 Jan 1960. The desired format then displays in a more human readable form and allows a wide variety of appearance options without having to add variables. The format can be used to create groups based on the format, such as year. or yyq or monname. or .. With Proc Format you can create custom Date (or time or datetime) displays as well.

Note that Time and Datetime values are the number of seconds.

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