Computational Model Library

Displaying 10 of 165 results for "Nuno R Barros De Oliveira" clear search

Product Diffusion Model in an Advance Selling Strategy

Peng Shao | Published Tuesday, March 15, 2016 | Last modified Tuesday, March 15, 2016

the model can be used to describe the product diffusion in an Advance Selling Strategy. this model takes into account the consumers product adoption, and describe consumer’s online behavior based on four states.

In the consumer advice network, users with connections can interact with each other, and the network topology will change during the opinion interaction. When the opinion distance from i to j is greater than the confidence threshold, the two consumers cannot exchange opinions, and the link between them will disconnect with probability DE. Then, a link from node i to node k is established with probability CE and node i learning opinion from node k.

Evolution of shedding games

Marco Janssen | Published Sunday, May 16, 2010 | Last modified Saturday, April 27, 2013

This simulates the evolution of rules of shedding games based on cultural group selection. A number of groups play shedding games and evaluate the consequences on the average length and the difficulty

This is the full repository to run the survival analysis (in R) and run the population viability model and its analysis (NetLogo + R) of the Northern Bald Ibis (NBI) presented in the study

On the road to self-sustainability: Reintroduced migratory European Northern Bald Ibises (Geronticus eremita) still need management interventions for population viability

by Sinah Drenske, Viktoriia Radchuk, Cédric Scherer, Corinna Esterer, Ingo Kowarik, Johannes Fritz, Stephanie Kramer-Schadt

NetLogo-R-Example for the Inititialisation of Agents with Correlated Random Numbers

Danilo Saft | Published Friday, February 14, 2014 | Last modified Monday, April 08, 2019

This is a short NetLogo example demonstrating how to initialize 500 agents with 4 correlated parameters each with random values by doing the necessary calculations in the program “R” and retrieving the results.

Thermostat II

María Pereda Jesús M Zamarreño | Published Thursday, June 12, 2014 | Last modified Monday, June 16, 2014

A thermostat is a device that allows to have the temperature in a room near a desire value.

This model implements a classic scenario used in Reinforcement Learning problem, the “Cliff Walking Problem”. Consider the gridworld shown below (SUTTON; BARTO, 2018). This is a standard undiscounted, episodic task, with start and goal states, and the usual actions causing movement up, down, right, and left. Reward is -1 on all transitions except those into the region marked “The Cliff.” Stepping into this region incurs a reward of -100 and sends the agent instantly back to the start (SUTTON; BARTO, 2018).

CliffWalking

The problem is solved in this model using the Q-Learning algorithm. The algorithm is implemented with the support of the NetLogo Q-Learning Extension

Peer reviewed Modelling the Social Complexity of Reputation and Status Dynamics

André Grow Andreas Flache | Published Wednesday, February 01, 2017 | Last modified Wednesday, January 23, 2019

The purpose of this model is to illustrate the use of agent-based computational modelling in the study of the emergence of reputation and status beliefs in a population.

Knowledge Space Model for Opinion Dynamics

Shane Mueller | Published Thursday, September 28, 2017 | Last modified Thursday, September 20, 2018

Knowledge Space model of Opinion Dynamics.

CITMOD A Tax-Benefit Modeling System for the average citizen

Philip Truscott | Published Monday, August 15, 2011 | Last modified Saturday, April 27, 2013

Must tax-benefit policy making be limited to the ‘experts’?

Displaying 10 of 165 results for "Nuno R Barros De Oliveira" clear search

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