Air

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Description

A dataset representing air as a breathing gas, and a function which tests whether a gas is air.

Usage

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  air
  is.air(g)

Arguments

g

An object of class "gas".

Details

An object of class "gas" represents a breathing gas. Such objects are required for various calculations in the scuba library.

The dataset air represents compressed air (21% oxygen, 79% nitrogen) as a breathing gas. It is equivalent to nitrox(0.21).

The function is.air expects its argument g to be a gas object. It returns TRUE if g is equivalent to air, and FALSE otherwise.

Author(s)

Adrian Baddeley Adrian.Baddeley@uwa.edu.au http://www.maths.uwa.edu.au/~adrian/

See Also

nitrox

Examples

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  v <- air
  is.air(v)
  v <- nitrox(0.21)
  is.air(v)
  # both are TRUE

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