From ligges at statistik.tu-dortmund.de  Tue Mar 24 15:02:19 2009
From: ligges at statistik.tu-dortmund.de (Uwe Ligges)
Date: Tue, 24 Mar 2009 15:02:19 +0100
Subject: [Rd] Size of (objects in) sysdata.rda
In-Reply-To: <22676784.post@talk.nabble.com>
References: <22676784.post@talk.nabble.com>
Message-ID: <49C8E7EB.3090502@statistik.tu-dortmund.de>



Ulrike Gr?mping wrote:
> Dear all,
> 
> in my package FrF2, I currently face a trade-off of object size and
> calculation run times. I would like to work with catalogues with some
> pre-calculated information, and calculate some other information on an
> as-needed basis. 
> 
> Is there any experience as to what sizes of objects in sysdata.rda will make
> a package difficult to handle / slow ? If I would put into the catalogues
> what I currently consider useful, I would most likely end up with an rda
> file that takes more than 30 seconds to load on my machine. With the current
> structure, it would consist almost exclusively of one massive list. I
> suspect that this is not very wise. Would it help to lazy-load data and
> split the list into several smaller ones (the larger ones of which will not
> be used all that often) ? 

Sounds good!

Uwe


> Or do I need a different strategy altogether ? 
> 
> Thanks for any advice!
> 
> Regards, Ulrike



[Rd] Size of (objects in) sysdata.rda
Uwe Ligges