Factores determinantes de la morosidad del cliente del crédito consumo del banco Azteca - sucursal Trujillo, 2014 - 2016

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Appendix C. Markov chains and absorption times for demography and genetics.

Markov chains and absorption times for demography and genetics

Supplement 1. Mathematica worksheets for calculating and plotting demo-genetic eigenvalues.

<h2>File List</h2><blockquote> <p><a href="SpomAndOnePopThreeStates.nb">SpomAndOnePopThreeStates.nb</a></p> <p> </p> </blockquote><h2>Description</h2><blockquote> <p>The worksheets allow calculating and plotting demo-genetic eigenvalues for either one local population fluctuating among several states or a set of 2 or 3 populations exchanging migrants (SPOM model). All variables are described in the Graphs section. </p> </blockquote

M-file for individually based simulations

M-file for individually based simulation

Schematic description of the model.

<p>The body is partitioned in three tissues. Some of the energetic expense of the reproductive tissue is for producing and maintaining offspring, and some of the energetic expense of the brain is for producing and maintaining energy-extraction skills. These skills allow extracting energy that can be used to produce and maintain the different tissues.</p

Predicted skill level at energy extraction throughout ontogeny plateaus in adulthood.

<p>Lines are the predicted skill level vs age with (A) power and (B) exponential competence for the results in <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.g003" target="_blank">Fig 3</a>. Circles are the observed cumulative distribution of self-reported acquisition ages of food production skills in female Tsimane horticulturalists [<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref081" target="_blank">81</a>] multiplied by our . However, note that the observed skills in Tsimane involve cumulative social learning which we do not model explicitly.</p

Locally uninvadable growth strategy () and the resulting growth patterns () under a me-vs-nature setting.

<p>Lines are model’s results and circles are observed values in human females. Results with (A-D) power and (E-H) exponential competence. (A,E) Uninvadable growth strategy vs age. (C,G) Resulting growth metabolic rate vs age. (B,F) Resulting body and tissue mass vs age. (D,H) Resulting brain and reproductive mass vs age. Lines and circles with the same color are respectively the model’s prediction and the observed values in modern human females [<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref096" target="_blank">96</a>]. Black circles are the observed (B,F) adult female body mass and (D,H) adult sex-averaged brain mass, either for late <i>H. erectus</i> [<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref097" target="_blank">97</a>] or Neanderthals [<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref098" target="_blank">98</a>, <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref099" target="_blank">99</a>]. The growth strategy (A,E) has numerical jitter due to negligible numerical error (Fig B in <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.s001" target="_blank">S1 Appendix</a>) and is here filtered for figure clarity (see unfiltered figure in Fig D in <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.s001" target="_blank">S1 Appendix</a>).</p

Predicted ages at brain growth onset (<i>t</i>_b0), brain growth arrest (<i>t</i>_b), maturity (<i>t</i>_m), and adulthood (<i>t</i>_a) as parameter values change with exponential competence.

<p>Plots show the predicted ages (switching times) vs (A) environmental difficulty, (B) skill effectiveness, and (C) memory cost. The childhood stage is shaded in pink, and the adolescence stage is shaded in blue. For clarity in the figure, points where adult body or brain sizes are zero are not shown (such points are shown in <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.g006" target="_blank">Fig 6</a>).</p

gr_v064.cpp

The file contains the code to perform simulations for a (hopefully) forthcoming paper on a model on grooming for tolerance.<br

Large adult brain mass and EQ are favored by environmental difficulty, moderate skill effectiveness, and costly memory.

<p>Plots are the predicted adult body and brain mass, EQ, and skill vs parameter values with exponential competence. A-C show adult body mass (blue) and adult brain mass (red). D-F show adult EQ (green) and skill (orange). Vertical axes are in different scales. Dashed horizontal lines are the observed values in human females [<a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1005380#pcbi.1005380.ref096" target="_blank">96</a>].</p