can the posterior proposal distribution be random how to design a proposal distribution algorithm what is the proposal distribution if the proposal is not a robust sampler how is the proposal determined x_i definition what is the x_i$ as proposal what is the proposal in xyc what does the proposal distribution what is proposal distribution what is the proposal distribution what is the method to design a proposal of a manifold how to do proposal distribution where in the code is a proposal a proposal how to design a random walk on an algorithm which proposal distribution does metropolis have as a discrete sampler what is the method of a proposal distribution how to design a proposal is the proposal a metropolis-hastings algorithm what kind of algorithm is used to design the proposal? how to design a proposal