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Items tagged with "projection" (10)

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Files (4)
Uploader
Project Biovel

Blob Demographic data Cryptantha flava

Created: 2013-08-13 10:13:10 | Last updated: 2014-07-04 12:30:08

Credits: User Robcito

Attributions: Workflow Integral Projection Model for Demographic Modelling v34

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This is a .csv file of one year demographic data of the species: Cryptantha flava, collected and published by Roberto Salguero-Gómez (University of Queensland).This file allow users to run Integral Projection Model workflow. http://www.myexperiment.org/workflows/3687.html Each row represents one observation of an organism in the population at one census time t with the following column names:size: size of individuals in census time tsizeNext: size of individual...

File type: Excel workbook

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Uploader
Project Biovel

Blob Bootstrap of observed census transitions documentation

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

Credits: User Maria Paula Balcazar-Vargas User Jon Giddy User 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...

File type: Adobe PDF

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Uploader
Project Biovel

Blob Transient dynamics documentation

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

Credits: User Maria Paula Balcazar-Vargas User Gerard Oostermeijer

Attributions: Workflow 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...

File type: Adobe PDF

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Uploader
Project Biovel

Blob Simulate stochastic growth from a sequence of matric...

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

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

Attributions: Workflow 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...

File type: Adobe PDF

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Packs (2)
Creator
Project Biovel

Pack 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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Project Biovel

Pack 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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Workflows (4)

Workflow Geottif image reprojection (1)

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Example of a WPS service that reprojects a geoTIFF by using a EPSG code. THe example image is in EPSG:32119, lcc projection for north caroline and it comes from GRASS-GIS spearfish dataset. The image is reprojected into EPSG:4326 (lat/long): Metadata: http://rsg.pml.ac.uk/wps/generic.cgi?request=describeProcess&service=wps&identifier=reprojectImage&version=1.0.0 Library: gdalwarp

Created: 2011-09-16 | Last updated: 2011-09-16

Credits: User Jorgejesus

Workflow Eigen analysis (3)

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The Eigen analysis results are a set of demographic statistics: 1) Lambda or dominant eigenvalue: The population will be stable, grow or decrease at a rate given by lambda: eg: ? = 1 (population is stable), ? > 1 (population is growing) and finally ? < 1 (populatiopn is decreasing) . 2) The stable stage distribution: It is the proportion of the number of individuals per stage and it is given by (w). Elasticity and Sensitivity: Sensitivity and elasticity analyses are prospective analyses....

Created: 2012-11-02 | Last updated: 2014-07-25

Credits: User Maria Paula Balcazar-Vargas User Jon Giddy User Gerard Oostermeijer

Attributions: Workflow Matrix Population Model construction and analysis v20 Workflow Matrix Population Model analysis v12 Blob Stage Matrix of Gentiana pneumonanthe 1987-88

Workflow Parametric Bootstrap or Resample a project... (3)

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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 fertility matrices. Dead fates are added to the transition matrix and the columns are then sampled from a Multinomial dis...

Created: 2014-06-18 | Last updated: 2014-07-25

Credits: User Maria Paula Balcazar-Vargas User Jon Giddy User Gerard Oostermeijer

Attributions: Workflow Matrix Population Model analysis v12

Workflow Transient Dynamics. (3)

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This workflow produces plots of the short-term dynamics and convergence to stable stage distribution using stage vector projections. ============================================================ This workflow has been created by the Biodiversity Virtual e-Laboratory (BioVeL http://www.biovel.eu/) project. BioVeL is funded by the EU’s Seventh Framework Program, grant no. 283359. This workflow was created based on Package ‘popbio’ in R. Stubben, C & B. Milligan. 2007. Estimating and Anal...

Created: 2012-11-02 | Last updated: 2014-07-31

Credits: User Maria Paula Balcazar-Vargas User Jon Giddy User Gerard Oostermeijer

Attributions: Workflow Matrix Population Model construction and analysis v20 Workflow Matrix Population Model analysis v12 Blob Stage Matrix of Gentiana pneumonanthe 1987-88

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Non-Information Resource URI: https://www.myexperiment.org/tags/3016


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