On Mon, 29 Oct 2007, Iain Kerr wrote: > The cumulative intensity distribution plot from crystal A did suggest > partial twinning (attached, doesn't look too bad though..) notwithstanding other plots/statistics, does the cum. intens. dist. plot (e.g. from truncate) really show a continuum from untwinned to twinned? i.e, if the plots are 'overlapped in the middle', no question - twinned. but, if the plots are 'a little off, but not in the middle' can this result (alone) really mean the data is - as we want to say - partially twinned? i.e. is the plot robust only for the detection of perfect twinning? -bryan