To xtset, I want to remove duplicates. I have duplicates with the same GVKEY and datadate but with different tickers. I want to merge those duplicates with the same tickers together and for the variables, I want to have a mean value for those duplicates only. To do so, how can I complete or revise the following codes. Please help me with this. Thank you.
Error message:
. xtset GVKEY datadate
repeated time values within panel
r(451);
Codes:
sort GVKEY datadate
quietly by GVKEY datadate: gen dup = cond(_N == 1, 0, _n)
destring GVKEY, replace
xtset GVKEY datadate
gen returns = (prccd - L.prccd) / L.prccd
----------------------- copy starting from the next line -----------------------
------------------ copy up to and including the previous line ------------------
Error message:
. xtset GVKEY datadate
repeated time values within panel
r(451);
Codes:
sort GVKEY datadate
quietly by GVKEY datadate: gen dup = cond(_N == 1, 0, _n)
destring GVKEY, replace
xtset GVKEY datadate
gen returns = (prccd - L.prccd) / L.prccd
----------------------- copy starting from the next line -----------------------
Code:
* Example generated by -dataex-. To install: ssc install dataex clear input long(datadate GVKEY) str8 tic str10 cusip str70 conm 15342 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15343 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15344 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15347 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15348 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15349 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15350 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15351 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15354 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15355 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15356 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15357 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15358 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15362 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15363 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15364 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15365 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15368 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15369 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15370 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15371 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15372 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15375 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15376 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15377 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15378 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15379 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15382 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15383 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15384 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15385 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15386 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15390 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15391 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15392 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15393 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15396 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15397 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15398 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15399 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15400 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15403 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15404 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15405 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15406 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15407 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15410 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15411 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15412 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15413 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15414 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15417 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15418 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15419 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15420 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15421 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15424 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15425 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15426 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15427 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15431 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15432 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15433 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15434 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15435 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15438 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15439 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15440 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15441 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15442 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15445 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15446 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15447 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15448 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15449 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15452 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15453 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15454 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15455 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15456 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15459 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15460 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15461 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15462 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15463 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15466 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15467 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15468 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15469 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15470 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15473 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15474 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15475 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15476 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" 15477 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15480 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15481 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15482 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15483 1076 "PRG" "74319R101" "PROG HOLDINGS INC" 15484 1076 "AAN.2" "002535201" "PROG HOLDINGS INC" end format %td datadate
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