stata命令及输出结果如下，怎么判断是否存在跳跃呢？


. DCdensity number, breakpoint(35) generate(Xj Yj r0 fhat se_fhat)
Using default bin size calculation, bin size = 4.0824829
Using default bandwidth calculation, bandwidth = 3.85753225

Discontinuity estimate (log difference in height): .223143551
                                                   (1.51193904)
Performing LLR smoothing.
13 iterations will be performed