><span class='op'>)</span>

  <span class='va'>kernel</span> <span class='op'>&lt;-</span> <span class='fu'><a href='mcmc_hamiltonian_monte_carlo.html'>mcmc_hamiltonian_monte_carlo</a></span><span class='op'>(</span>
    target_log_prob_fn <span class='op'>=</span> <span class='va'>target_log_prob_fn</span>,
    num_leapfrog_steps <span class='op'>=</span> <span class='fl'>2</span>,
    step_size <span class='op'>=</span> <span class='va'>step_size</span>
  <span class='op'>)</span> <span class='op'>%&gt;%<