Hi all,
I've been using Stata a long time and never seen this.
. gen byte PCI=(initrs==4|initrs==5|initrs==6)
. gen byte hadPCI=PCI
. tab hadPCI
hadPCI | Freq. Percent Cum.
------------+-----------------------------------
-128 | 2 0.00 0.00
0 | 932,238 91.80 91.80
1 | 83,218 8.20 100.00
------------+-----------------------------------
Total | 1,015,458 100.00
Where does that -128 come from?
I am using Stata 8, latest updates, and I have run into this
problem with *three* different byte variables I generate using
this dataset; the only distinctive thing about the dataset is
it's size (>500MB). The problem is difficult to reproduce, as
well, so it's hard to figure out what is going on; for instance,
if I add a line that tabs the first variable (PCI) then there
is no trouble. I did try it without the "byte" designations, and
got the same spurious value.
Any ideas?
cheers,
Jeph
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