Message-ID: <14034.24005.535659.918027@pc87.maho.magnaeu.com>
Date: 1999-02-23T07:50:29Z
From: Kurt Hornik
Subject: "as" functions should be generic
In-Reply-To: <XFMail.990222172914.plummer@iarc.fr>
>>>>> Martyn Plummer writes:
> It would be very useful if all "as.*" functions were generic,
> so that a user who creates a new class can write methods to
> coerce objects of that class to standard R objects.
> In fact, most of the "as.*" functions are generic, but there
> are a few that aren't:
> as.array
> as.factor
> as.ordered
> as.pairlist
> as.formula
> as.ts
> It's actually "as.array" and "as.ts" that are a problem for
> me, but I mention the others because this seems like a good
> general principle.
This may be a good idea.
-k
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