Thank you Bendix,
{I hope it's okay if I CC my answer to your private mail to R-devel ..}
>>>>> On Wed, 27 Oct 1999 08:55:28 +0200, BXC@novo.dk (Bendix
Carstensen) said:
>> -----Original Message-----
>> From: Martin Maechler [mailto:maechler@stat.math.ethz.ch]
>> Sent: 25. oktober 1999 14:58 To:Gregory R. Warnes
>> Cc: R-help@stat.math.ethz.ch Subject: Re: [R]
MM> par(uin)
Bendix> (deleted)
MM> BTW: "uin" gives ``inches per usr unit'' (not the
reverse as you
MM> suggest).
MM>
MM> Should `R' provide "uin" (as read-only) par() ?
RFC: Should we have it? or is it unnecessary featurism ?
Bendix> Yes, but call it "ipu" if it returns inches per unit!
No, not "ipu" for two reasons:
1)
np <- names(par()); np[substring(np,2,3)=="in"]
currently gives
[1] "cin" "din" "fin" "pin"
(and S-plus has "uin" additionally)
And all of these give
``<something> in inches''
For "uin" these would be
``user units in inches''
which *is* the same as
``inches per usr unit''
2) S compatibility..
We don't want 100% S-compatibility in par() treatment,
{not repeating problematic behavior},
but for things like this, compatibility is an issue.
Martin Maechler <maechler@stat.math.ethz.ch>
http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum LEO D10 Leonhardstr. 27
ETH (Federal Inst. Technology) 8092 Zurich SWITZERLAND
phone: x-41-1-632-3408 fax: ...-1228 <><
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