docs: def plothist(self,fig=None,**kwargs):
          """Plots a histogram of samples using provided bins.
          
          Parameters
          ----------
          fig : None or int
              Parameter passed to `setfig`.
  
          kwargs
              Keyword arguments passed to `plt.hist`.
          """
          setfig(fig)
          plt.hist(self.samples,bins=self.bins,**kwargs)