When plotting fewer panels than the full grid you get a gap without a panel. Most lattice functions puts the gap in the top right, but I would like to have it in the lower right, as marginal.plot does (see the picture). Is there a way to make other lattice functions do the same?

I know the panel order is decided by the order of the factor levels of the conditioning variable, or by using the index.cond argument, but that does not help me here. I have tried to decipher the code of marginal.plot, but haven’t been able to figure it out, so any help is appreciated!
The
as.table=TRUEoption should do this for most lattice plots by filling in the top row first instead of the bottom row.