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RE: st: My last word on strange world

From   Richard Williams <[email protected]>
To   [email protected], <[email protected]>
Subject   RE: st: My last word on strange world
Date   Thu, 10 Jan 2008 12:06:36 -0500

At 11:40 AM 1/10/2008, Nick Cox wrote:
Manifestly, Stata doesn't do as Richard suggests. In each case, missings
on x will be ignored only if you specify that, e.g., by -inrange(x, 42,

I think I once proposed, or at any rate once thought of, a -gt()-
function (those not familiar with old Fortrans can think "greater than")
such that

gt(x, y) is 1 if x > y & x < . & y < . and 0 otherwise.

Similarly ge(), lt(), le() for >=, <, <=.

But I would be surprised at any enthusiasm for this. Everyone seems to
want to want to keep >, >=, <, <= together with "do what I mean".
The proposal I made 4 years ago was for an if2 qualifier, where ifs would follow the same logic that SPSS does. A little quirky, I know, but then all existing syntax continues to work fine as is:

Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: [email protected]

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