try f = 2
try f = 2

fhat = 472, which is obviously unreasonable.
MSE for mixed model has been descreased significantly to less than 100,
but still larger than MMSE. However, the difference is smaller than
before.

XiaodanLyu/Lognormal-Extension,XiaodanLyu/Lognormal-Extension,XiaodanLyu/Lognormal-Extension