myExperiment

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Maria Paula Balcazar-Vargas

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Matrix Population Model construction and analysis pack

Created: 2013-08-13 14:31:09 | Last updated: 2015-06-12 13:48:43

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Matrix Population Models Workflow provides an environment for create a stage-matrix with no density dependence and perform several analyses on it.Analyses:Eigen analysis.Age specific survival.Generation time (T).Net reproductive rate (Ro).Transient Dynamics.Bootstrap of observed census transitions (Confidence intervals of λ).Survival curveKeyfitz’s ΔCohen’s cumulative distanceTh...

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Maria Paula Balcazar-Vargas

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Matrix Population Models analyses pack

Created: 2013-08-14 10:37:55 | Last updated: 2014-07-25 10:56:14

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Matrix Population Models Workflow provides an environment to perform several analyses on a stage-matrix with no density dependence:Eigen analysis.Age specific survival.Generation time (T).Net reproductive rate (Ro).Transient Dynamics.Resample a projection matrix (Confidence intervals of λ).Survival curveKeyfitz’s ΔCohen’s cumulative distance This workflow has bee...

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Maria Paula Balcazar-Vargas

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Elasticity and Sensitivity of the vital rates pack

Created: 2014-08-28 08:56:24 | Last updated: 2014-08-29 14:50:26

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This workflow calculate the Elasticity and Sensitivity of the vital rates. The goal in both cases is to determine which vital rates have the most influence on population growth or λ.

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Maria Paula Balcazar-Vargas

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Calculate and Plot abundance over the years pack

Created: 2014-08-22 07:50:23 | Last updated: 2014-08-28 13:17:48

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This workflow calculates and plots the abundance per stage per year from a list of matrices.

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Maria Paula Balcazar-Vargas

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Variance matrix pack

Created: 2014-08-21 13:07:20 | Last updated: 2014-08-28 13:53:33

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This workflow estimates the variance matrix from a list of matrices.

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Maria Paula Balcazar-Vargas

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Log-log plots of variance vs. sensitivity and CV vs....

Created: 2014-08-13 10:27:13 | Last updated: 2014-08-21 09:16:30

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This workflow creates log-log plots of both variance vs. sensitivity and CV vs. elasticity in matrix elements. Plots are based on Figure 2 in Pfister (1998).

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biovel
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demography
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log-log plot cv vs. elasticity in matrix elements
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log-log plot of variance vs. sensitivity
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matrix
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matrix population models
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package ‘popbio’ in r
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stage matrix

Creator

Maria Paula Balcazar-Vargas

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Mean matrix pack

Created: 2014-07-31 13:34:16 | Last updated: 2014-08-14 17:52:30

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This mean matrix workflow estimates the mean matrix from a list of matrices.

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Maria Paula Balcazar-Vargas

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Calculate quasi-extinction threshold pack

Created: 2014-07-30 14:00:20 | Last updated: 2014-08-14 12:05:20

This pack contains a workflow, a file and documentation (tutorial to run the workflow).This workflow estimates by simulation the quasi-extinction probability time cumulative distribution function for a structured population in an independently and identically distributed (iid) stochastic environment. This workflow is based on the popbio package (stoch.quasi.ext - Calculate quasi-extinction threshold, Stubben, Milligan and Nantel, 2013) based on the The MATLAB code in Box 7.5 (Morris and Doak ...

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biovel
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cumulative distribution function (cdf)
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demography
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gentiana pneumonanthe
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matrix
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matrix population models
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morris and doak 2002.
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package ‘popbio’ in r
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population viability analysis (pva)
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probability of quasi-extinction threshold by time t
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simulating extinction probabilities
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stage matrix
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stochastic environment

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Maria Paula Balcazar-Vargas

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Cohen cumulative distance pack

Created: 2014-07-23 13:43:22 | Last updated: 2014-07-24 08:21:00

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Cohen’s cumulative distance Workflow provides an environment to calculate the Cohen’s cumulative distance. The Cohen’s cumulative distance measures the difference between observed and expected vectors along the matrix path that the population would take to reach the expected population vector. It is a function of both the observed stage distribution (n0) and the structure of the matrix...

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Maria Paula Balcazar-Vargas

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Keyfitz's delta pack

Created: 2014-07-23 11:19:37 | Last updated: 2014-07-24 08:25:22

This pack contains a workflow, a file and documentation (tutorial to run the workflow).The Keyfit delta Workflow provides an environment to calculate the Keyfit delta value. Keyfitz’s delta is a measure of the distance between any two probability vectors (Keyfitz 1968). In this case is a measure of the distance between n (Observed Stage Distribution) and w (Stable Stage Distribution). The maximum value is 1 and the minimum value is 0 (when the vectors are identical).

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