我想用8条序列做skyline plot,其中遇到了一个问题:ESS值太小,且做不出skyline plot。我不太懂贝叶斯里面的参数,所以把具体的数据贴在附件,求指教!
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参数设置如下:
模型:HKY
base frequency:Empirical
clock model: molecular model "relexed...uncorrelated log..." Estimate: 打勾
Tree选项卡:
tree prior: coalescent Bayesian skyline
number of groups :3
MCMC选项卡:
length of chain 10000000
echo state to screen every 1000
log parameters every 1000