\psset{nodesep=1mm,levelsep=1.5cm,treesep=7mm}
\pstree[treemode=D]{\TC}{%
        \pstree{\TR{$R$} \tlput{\tiny 0.25}}{% 
            \pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
				\pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{4}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{3}
						}
				}
				\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{3}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{2}
						}
				}
            }
			\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
				\pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{3}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{2}
						}
				}
				\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{2}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{1}
						}
				}
            }
	}
		\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{% 
            \pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
				\pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{3}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{2}
						}
				}
				\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{2}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{1}
						}
				}
            }
			\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
				\pstree{\TR{$R$} \tlput{\tiny 0.25}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{2}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{1}
						}
				}
				\pstree{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
						\pstree[arrows=->, levelsep=1cm]{\TR{$R$} \tlput{\tiny 0.25}}{%
								\TR{1}
						}
						\pstree[arrows=->, levelsep=1cm]{\TR{$\bar{R}$} \trput{\tiny 0.75}}{%
								\TR{0}
						}
				}
            }
	}
}