PyDREAM: high-dimensional parameter inference for biological models in python.
PyDREAM: high-dimensional parameter inference for biological models in python.
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DOI:
10.1093/bioinformatics/btx626
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发表时间:
2018-02-15
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影响因子:
--
通讯作者:
Lopez CF
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文献类型:
--
作者:
Shockley EM;Vrugt JA;Lopez CF
Biological models contain many parameters whose values are difficult to measure directly via experimentation and therefore require calibration against experimental data. Markov chain Monte Carlo (MCMC) methods are suitable to estimate multivariate posterior model parameter distributions, but these methods may exhibit slow or premature convergence in high-dimensional search spaces. Here, we present PyDREAM, a Python implementation of the (Multiple-Try) Differential Evolution Adaptive Metropolis [DREAM(ZS)] algorithm developed by and. PyDREAM achieves excellent performance for complex, parameter-rich models and takes full advantage of distributed computing resources, facilitating parameter inference and uncertainty estimation of CPU-intensive biological models. PyDREAM is freely available under the GNU GPLv3 license from the Lopez lab GitHub repository at http://github.com/LoLab-VU/PyDREAM. Supplementary data are available at Bioinformatics online.
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