[R-pkgs] scuba 1.2-1

From: <adrian_at_maths.uwa.edu.au>
Date: Mon, 23 Jun 2008 16:13:08 +0800 (WST)

        scuba 1.2-1

'scuba' is a contributed R package that performs theoretical calculations about scuba diving --- dive profiles, decompression models, gas toxicity and so on.

New features in version 1.2-1:

. Breathing gases may now contain Helium
          as well as Oxygen and Nitrogen.

. Decompression models now handle breathing gases
          containing Helium.

. Haldane (diffusion compartment) models are now

                represented by objects of a special class "hm".

. Dive profiles (objects of class "dive") can be

		modified more easily. You can change the breathing gas,
                modify the depth and duration of a dive,
                or cut-and-paste several dive profiles.


. Bug fix in showstates().

New functions:

        ndl Calculates No-Decompression Limits

	trimix	Creates a gas object representing trimix
		(oxygen/nitrogen/helium mixture)

	hm	Creates a new Haldane model (diffusion compartment model
		for decompression theory).

	pickmodel
		Selects one of the standard Haldane models.

	tanklist
	tanklist<-
		Extracts or modifies the breathing gases used in a dive.

	chop.dive
		Extracts part of a dive profile.

	depths.dive<-
	times.dive<-
	durations.dive<-
		Operators for modifying a dive profile.


Adrian Baddeley, 22 june 2008



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