[FLR-list] Fwd: [FLR-devel] Leslie matrices

[Iago Mosqueira]

---------- Forwarded message ----------
From: Laurie <lauriekell at googlemail.com>
Date: 28 March 2012 11:05
Subject: [FLR-devel] Leslie matrices
To: flr-devel at lists.sourceforge.net


In FLR there is code to calculate r from Leslie Matrices. There is
also the package popbio based on Caswells book, which has many
examples and methods.

I propose to create a method to generate Leslie Matrices from FLStock
and FLBiol objects then we can easily use popbio with FLR.

I dont thnk we need new classes just a method like

leslie(ple4)

There are problems about averaging over periods etc., as with stf &
FLBRP. But if the leslie method works on a n FLBRP object then we dont
have to worry about reimplementation etc.

i.e. for FLStock the method will call

leslie(FLBRP(ple4))

Once we have the leslie matrix then we can do many analyses and even
make stock projections,

Laurie



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