BIO2150 Biostatistikk og studiedesign
#10000 gj.snitt av 10 uniformt fordelte tall #10000 gj.snitt av 100 uniformt fordelte tall
nlme
π
[1]
lsoda
Logistisk vekst, forskjellige initialverdier
modell3<-glm(antall~dag+I(dag^2)+I(dag^3),data=fronder,family=poisson)
Sir Robert M. May: Biological Populations with Nonoverlapping Generations: Stable Points, Stable Cycles, and Chaos (1974)
Does a flap of a butterfly´s wings in Brazil set off a tornado in Texas (1972)
J. Animal Ecology 47(1978) ) library (rootSolve) ustabilt Soetart & Herman 2009
Differensialligninger med tidsforsinkelse (dede) Hutchinsons ligning
Nicholsons blowflies: populasjonssvingningene i Australsk ullspyflue (Lucilla cuprina) Gurney, W.S.C., Blythe, S.P. & Nisbet, R.M. Nicholson´s blowflies revisited. Science 287 (1980)17-21
Epidemiologisk modell (SIR) Suseptible S(t) Infekterte I(t) Restituerte R(t) dSdI dR acSIi gR rI
Travelling salesperson problemet (TSP)
Scheffer, M. et al.: Floating plant dominance as a stable state. PNAS 100 (2003)