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Items tagged with "population projection" (7)

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Maria Paula Balcazar-Vargas

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Parametric Bootstrap or Resample a projection matrix...

Created: 2014-07-25 09:41:10

Credits: Maria Paula Balcazar-Vargas Jon Giddy Gerard Oostermeijer

Attributions: Parametric Bootstrap or Resample a projection matrix Workflow

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This documentation (tutorial to run the workflow) explains how to run a workflow that belongs to the pack with same name.The Parametric Bootstrap or Resample a projection matrix Workflow provides an environment to resample a projection matrix using a multinomial distribution for transitions and a log normal distribution for fertilities (Stubben, Milligan, and Nantel. 2011). The resample is based on number of plants surveyed. The projection matrix A is first split into separate transition and ...

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Maria Paula Balcazar-Vargas

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Bootstrap of observed census transitions documentation

Created: 2014-07-25 10:37:03

Credits: Maria Paula Balcazar-Vargas Jon Giddy Gerard Oostermeijer

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This documentation (tutorial to run the workflow) explains how to run a workflow that belongs to the pack with same name.The Bootstrap of observed census transitions (confidence intervals of λ) workflow for local execution calculates bootstrap distributions of population growth rates (λ), stage vectors, and projection matrix elements by randomly sampling with replacement from a stage-fate data frame of observed transitions. The goal of a demographic analysis is very often to est...

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biovel
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bootstrap of observed census transitions
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confidence interval of lambda
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demography
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gentiana pneumonanthe
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histogram
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lambda or dominant eigenvalue
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matrix
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matrix population models
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model
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package ‘popbio’ in r
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population
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population projection
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projection
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stage matrix

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Maria Paula Balcazar-Vargas

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Transient dynamics documentation

Created: 2014-07-25 12:16:46

Credits: Maria Paula Balcazar-Vargas Gerard Oostermeijer

Attributions: Transient Dynamics.

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This documentation (tutorial to run the workflow) explains how to run a workflow that belongs to the pack with same name.The Transient dynamics or Calculate population growth rates by projection Workflow provides an environment to calculates the population growth rate and stable stage distribution by repeated projections of the equation n(t+1)=An(t) and to produce plots of the short-term dynamics and convergence to stable stage distribution using stage vector projections.Transient dynamic ana...

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Maria Paula Balcazar-Vargas

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Stage vectors, Survival and Growth rate curves (demo...

Created: 2014-07-25 12:41:06

Credits: Maria Paula Balcazar-Vargas Gerard Oostermeijer

Attributions: Stages vectors plots, Survival and Growth rate curves

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This documentation (tutorial to run the workflow) explains how to run a workflow that belongs to the pack with same name.The Stages vectors plots, Survival and Growth rate curves Workflow provides an environment to perform several analyses on a series of stage-matrices:Population projectionSurvival values calculations per stage per year and its respective plot;Growth rates (lambda) calculations per year and its respective plot;Stage Vectors calculations and their respective plots.

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Maria Paula Balcazar-Vargas

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Simulate stochastic growth from a sequence of matric...

Created: 2014-07-30 13:47:47

Credits: Maria Paula Balcazar-Vargas Jon Giddy Francisco Quevedo Mikolaj Krzyzanowski Gerard Oostermeijer

Attributions: Simulate stochastic growth from a sequence of matrices

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This documentation (tutorial to run the workflow) explains how to run a workflow that belongs to the pack with same name.The Simulate stochastic growth from a sequence of matrices Workflow provides an environment to simulate stochastic growth by projection using whole matrix selection techniques in an independently and identically distributed (iid) environment from a set of 2 or more projection matrices.Outputs:Equal selection dataStochastic projectionUnequal selection dataTo know more detail...

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Tags:

biovel
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demography
|
gentiana pneumonanthe
|
histogram
|
independently and identically distributed (iid)
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matrix
|
matrix population models
|
package ‘popbio’ in r
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population projection
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projection
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stage matrix
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stochastic environment
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stochastic projection

Packs (2)

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Maria Paula Balcazar-Vargas

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Stage vectors, Survival and Growth rate curves (demo...

Created: 2014-04-03 08:11:33 | Last updated: 2014-07-25 12:41:24

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Stages vectors plots, Survival and Growth rate curves Workflow provides an environment to perform several analyses on a series of stage-matrices:Population projectionSurvival values calculations per stage per year and its respective plot;Growth rates (lambda) calculations per year and its respective plot;Stage Vectors calculations and their respective plots.

8 items in this pack

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Maria Paula Balcazar-Vargas

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Transient dynamics pack

Created: 2014-07-04 10:59:17 | Last updated: 2014-07-25 12:17:07

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Transient dynamics or Calculate population growth rates by projection Workflow provides an environment to calculates the population growth rate and stable stage distribution by repeated projections of the equation n(t+1)=An(t) and to produce plots of the short-term dynamics and convergence to stable stage distribution using stage vector projections.Transient dynamic analysisPopulation projectionLambda o...

3 items in this pack

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