the current implementation needs explicit values, so whenever a value is black or missing, the row will be skipped.
On Tue, Nov 27, 2012 at 8:53 AM, Qinghao Dai <[email protected]> wrote: > Thanks for your reply. > In my understanding, missing values are represented by "?". > And blank values are not represented explicitly. > -- > Best Regards, > Qinghao > > > > 2012/11/27 deneche abdelhakim <[email protected]> > > > > > What do you mea blank values aren't missing values ? in all cases, the > > current implementation just skips any record with missing values. >
