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st: Re: RE: RE: Re: Separation anxiety (extreme penalty if mistype -separate- command)

From   "Martin Weiss" <>
To   <>
Subject   st: Re: RE: RE: Re: Separation anxiety (extreme penalty if mistype -separate- command)
Date   Thu, 20 Nov 2008 20:47:31 +0100

No intrusion into Alan`s work practices intended, but I have a hard time imagining that you would have a -prog- on your ado-path that -drops _all- without at least the -, clear- option being present...

----- Original Message ----- From: "Nick Cox" <>
To: <>
Sent: Thursday, November 20, 2008 8:41 PM
Subject: st: RE: RE: Re: Separation anxiety (extreme penalty if mistype -separate- command)

I am glad it wasn't a -separate- problem.

The command -separate- itself has never been abbreviatable. When it was
being written one small issue was whether the intended name leant itself
to minor spelling mistakes. ("separate" was one of those words I had to
check repeatedly in a dictionary.) The decision was that if the user
typed -sep_e_rate-, this is promptly corrected with a little message and
diversion of the command to -separate-, as some users may have
discovered. (That is, there is an undocumented -sep_e_rate- command.) (I
add the _ _ only to stop this mailer continually correcting the
misspelling.) This may still be the only instance in which Stata will
accept, and correct, incorrect spelling. An odd side-effect of this
episode is that my long-continued difficulties over the word have


Feiveson, Alan H. (JSC-SK311)

Sorry about the needless anxiety - As Martin suggested, I did have an
old -sep-program lying around that dropped _all. Thanks, Martin

Martin Weiss

If that is true, it is pretty serious. So I get "unrecognized command:
with my 10.1 Stata. Your error "invalid syntax" makes me think you have
a command that I do not have. What does -which sep- tell you?

Feiveson, Alan H.

Hello - More than once I have inadvertently typed something like "sep
var, by(cat)", when I meant to type "separate var,by(cat)" . The
result is an error, but far worse, Stata wipes out my whole data set
when I do this, or even if I simply type "sep":

. use rad_protein_collapsed_4group_binomial.dta

. des,short

Contains data from rad_protein_collapsed_4group_binomial.dta
 obs:            24
vars:            52                          20 Nov 2008 12:42
size:         4,464 (99.9% of memory free)
Sorted by:  rad  time  group

. sep
invalid syntax

. des,short

Contains data
 obs:             0
vars:             0
size:             0 (100.0% of memory free)
Sorted by:

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