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R语言贝叶斯推断与MCMC：实现Metropolis-Hastings 采样算法示例

示例1：使用MCMC的指数分布采样任何MCMC方案的目标都是从“目标”分布产生样本。在这种情况下，我们将使用平均值为1的指数分布作为我们的目标分布。所以我们从定义目标密度开始： target = function(x){ if(x<0){ return(0)...

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