Personal tools

Read more
You are here: Home / Fishery Science Department / B2: Modelling length at age and length distributions / Models of length distributions

Models of length distributions

Slides
Code Name
sl00 Statistical and other models of length distributions
sl05 Cohort slicing
sl10 The distribution of length at age
sl20 The Gaussian density and cdf
sl30 The proportion within a length group
sl40 Statistical estimation of proportions at age
sl50 Setting initial values
sl52 Estimating proportions alone
sl54 Typical parameter reduction - sigma
sl56 Full run
sl70 Parameter reduction - using a growth curve
sl80 Caveats
sl99 The next steps
Data files
Filename Title
base.png base.png
base30.dat base30
functions1.r function1
functions2.r function2
functions3.r function3
init1.r init1
init2.r init2
init3.r init3
sl10_SlideImage sl10_SlideImage
sl20_SlideImage sl20_SlideImage
sl40_SlideImage sl40_SlideImage
sl50_SlideImage sl50_SlideImage
sl52_SlideImage sl52_SlideImage
sl54_SlideImage sl54_SlideImage
sl56_SlideImage sl56_SlideImage
sl60_SlideImage sl60_SlideImage
sl99_SlideImage sl99_SlideImage
ssewithfixedlength.r SSEwithfixedlength.R
sumofsquaresfixedlength.r sum of squares fixed length.R
vonbgrowthcurve.r vonB growth curve.R