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log: /Volumes/ecxs2/users/baum/CompustatCompann/327xtdes2.smcl
log type: smcl
opened on: 17 Jan 2008, 09:36:02
. use crspcompustat,clear
. todate date, gen(ymd) p(yyyymmdd)
. g ym=mofd(ymd)
. format ym %tm
. desc
Contains data from crspcompustat.dta
obs: 1,609,123
vars: 13 20 Nov 2007 15:14
size: 104,592,995 (80.1% of memory free)
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storage display value
variable name type format label variable label
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gvkey long %12.0g GVKEY
npermno long %12.0g NPERMNO
linkdt long %12.0g LINKDT
linkenddt str8 %9s LINKENDDT
cnum str6 %9s CNUM
smbl str7 %9s SMBL
date long %12.0g DATE
prch float %9.0g
prcl float %9.0g
cshtrm float %9.0g
cshoq float %9.0g
ymd float %d __000001
ym float %tm
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Sorted by:
Note: dataset has changed since last saved
. tsset gvkey ym
panel variable: gvkey (unbalanced)
time variable: ym, 1990m1 to 2006m12, but with gaps
delta: 1 month
. xtdes
gvkey: 1004, 1009, ..., 270705 n = 17396
ym: 1990m1, 1990m2, ..., 2006m12 T = 204
Delta(ym) = 1 month
Span(ym) = 204 periods
(gvkey*ym uniquely identifies each observation)
Distribution of T_i: min 5% 25% 50% 75% 95% max
1 9 36 81 140 204 204
Freq. Percent Cum. | Pattern*
---------------------------+--------------------------------------------------
-------------------------------------------------------
2002 11.51 11.51 | 222222222222222222222222222222222222222222222222
> 222222222222222222222222222222222222222222222222222222
88 0.51 12.01 | 22222222222222222222222222221...................
> ......................................................
82 0.47 12.49 | ................................................
> ..................................................1222
77 0.44 12.93 | 222222222222222222222222222222222222222222222222
> 222222222222..........................................
73 0.42 13.35 | 222222222222222222222222222222222222222222222222
> 22221.................................................
69 0.40 13.74 | 22222222222222222222222222222222222222222222221.
> ......................................................
66 0.38 14.12 | 22222222222222222222222222222222221.............
> ......................................................
63 0.36 14.49 | 22221...........................................
> ......................................................
63 0.36 14.85 | 222222222222222.................................
> ......................................................
14813 85.15 100.00 | (other patterns)
---------------------------+--------------------------------------------------
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17396 100.00 | XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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*Each column represents 2 periods.
. log close
log: /Volumes/ecxs2/users/baum/CompustatCompann/327xtdes2.smcl
log type: smcl
closed on: 17 Jan 2008, 09:41:15
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