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description=OpenMOLE: the model exploration software;
keywords=Scientific Workflow Engine, Distributed Computing, Cluster, Parameter Tuning, Model Exploration, Optimization, Genetic Algorithm, Design of Experiment, Sensitivity Analysis, Data Parallelism;

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explore your model documentation tutorials demo download community explore your model suggest edits documentation content 1 why explore your model 2 openmole methods why explore your model simulation models are necessarily a simplification of reality and hypotheses have to be made when developing them therefore every model must be questioned in order to fully understand the extent of its capabilities is it relevant to tackle the research question behind it how to extract significant knowledge from the model what kind of dynamics can it exhibit how does each mechanism of the model impact those dynamics is every mechanism really necessary these are just some of the many questions a model developer has to answer in order to really know and understand their model and openmole built in methods are designed to help you answer some of these questions simulation models can be abstracted as a program that transforms a set of inputs into a set of outputs any type of data can be used as input for simulation models locally defined parameters pictures csv files db connections etc however simulation experiments usually revolve around parameter space exploration e g sensitivity analysis likewise the outputs generated by simulation experiments are most of the time metrics computed on the dynamics produced by a simulation run e g fitness or error functions openmole methods there are four types of general questions that can be addressed by openmole methods what are all the possible inputs producing a given output this is a calibration or optimization problem solved with genetic algorithms how does an input variation affect the output this is addressed by performing a sensitivity analysis how do the inputs individually participate to produce the outputs is every parameter necessary to produce the outputs what are the robustness intervals of the inputs that lead to a desired output this is an extension of the sensitivity analysis it is performed through the calibration profiles algorithm what are all the possible outputs of the model this can be done with the pattern space exploration pse method methods characteristics each openmole method is presented with a figure summarizing its performance with regard to a few criteria they all have in common image svg xml output exploration input exploration sensitivity optimisation optimization efficiency input output space coverage rate ability to reveal sensitivity w r t inputs scores scale stochasticity awareness yes no robust sensitive average subjection to curse of dimensionality nota bene these performance scores are defined relatively to each other and are not absolute values to go further calibration methods make an extensive use of genetic algorithms specific tasks are available to handle the stochasticity of your model distribution schemes have been specifically designed for distributed computing environments available methods samplings calibration sensitivity profile pse ose hdose abc ppse see also in the doc plug scale up language genetic algorithms developers gui community forum chat faq development changes sources join us about us papers team partners communication school twitter contact