Hi, I was running this piece of code that I was given and I keep getting warnings that say a few of the variables are uninitialized. I tried a few things to correct this but nothing worked for me. I was wondering if anyone would have any ideas on this. Any help is appreciated. Thank you! 318 data adverse2(keep= sitenum patnum aename aesev fromdtc todtc sday); 319 merge adverse(in=inae) 320 drugadm(in=infdrg); 321 **drgadm (in=infdrg)**ERROR; 322 by usubjid; 323 324 /* Only keep the records that are in AE */ 325 if inae; 326 327 /* Only process these steps on the records that have an actual event, use */ 328 /* none box for determining this */ 329 if (notdone ne 1) then do; 330 end; **ERROR; 331 332 /* Create Character Date since the date can be partial */ 333 /* If Date is unknown then use UU to represent it */ 334 if (fromdtdd eq .) then fday = 'UU' ; 335 else fday = put(fromdtdd,z2.); 336 337 if (fromdtmm eq .) then fmon = 'UU'; 338 else fmon = put(fromdtmm,z2.); 339 340 if (fromdtyy eq .) then fyer = 'UUUU'; 341 else fyer = put(fromdtyy, 4.); 342 343 /* Create character Onset date */ 344 fromdtc = fyer || '/' || fmon || '/' || fday; 345 346 /* If the whole date is unknown then have it say so */ 347 if (fromdtc eq 'UUUU/UU/UU') then fromdtc = 'Unknown'; 348 349 /* Do the same thing for Stop date */ 350 if (todtdd eq .) then tday = 'UU' ; 351 else tday = put(todtdd,z2.); 352 353 if (todtmm eq .) then tmon = 'UU'; 354 else tmon = put(todtmm,z2.); 355 356 if (todtyy eq .) then tyer = 'UUUU'; 357 else tyer = put(todtyy, 4.); 358 359 /* Create character End date */ 360 todtc = tyer || '/' || tmon || '/' || tday; 361 362 /* If the whole date is unknown then have it say so */ 363 if (todtc eq 'UUUU/UU/UU') then todtc = 'Unknown'; 364 365 /* If the adverse Event is ongoing then overwrite the unknown piece*/ 366 if (aeong eq 1) then todtc = 'Ongoing'; 367 368 369 /* We have a character date...but now lets use the Numeric date to see when the event 370 occurred related to the start of study medication */ 371 /* We can only do this for valid dates, not partial */ 372 if (fromdate gt .Z) then sday = (fromdate - fdrgdate) +1; 373 run; NOTE: Variable notdone is uninitialized. NOTE: Variable fromdtdd is uninitialized. NOTE: Variable fromdtmm is uninitialized. NOTE: Variable fromdtyy is uninitialized. NOTE: Variable todtdd is uninitialized. NOTE: Variable todtmm is uninitialized. NOTE: Variable todtyy is uninitialized. NOTE: Variable aeong is uninitialized. NOTE: Variable fromdate is uninitialized. NOTE: Variable fdrgdate is uninitialized. WARNING: The variable sitenum in the DROP, KEEP, or RENAME list has never been referenced. WARNING: The variable patnum in the DROP, KEEP, or RENAME list has never been referenced. WARNING: The variable aename in the DROP, KEEP, or RENAME list has never been referenced. NOTE: There were 297 observations read from the data set WORK.ADVERSE. NOTE: There were 77 observations read from the data set WORK.DRUGADM. NOTE: The data set WORK.ADVERSE2 has 297 observations and 4 variables. NOTE: DATA statement used (Total process time): real time 0.07 seconds cpu time 0.06 seconds
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