multicolumn across multiple rows

Lyx 2.0.0rc3 on Ubuntu Linux, I have several big tables that I've imported data from a spreadsheet. I have to join two columns across multiple rows down, i.e. I need to join columns 2and3, 4and5, 6and7 but all the way down the table for multiple rows. I can do it using multicolumn, but

table truncated off page

I'm using Lyx 2.0.0rc3 on Ubuntu Linux. When I create a table, and set the document orientation to landscape, it shows the table on the screen but it is truncated on the right side of the screen and I can not get to it to see or correct that part of the table. It compiles to pdf correctly but

cls file problem, error previewing format

I've tried to install a new document class, using latex macro files supplied by a journal called "Bayesian Analysis". I'm not sure they work right, my installation of Lyx 2.0 RC1 on ubuntu 64 linux seems to work ok for other formats. When I try to use this document class I get an error such a

referencing from bibus on linux

If this is possible, I'm sure it's been covered somewhere! If so could someone please point me in the correct direction? How can I link lyx 1.6.7 on linux to a bibus database for referencing? Thanks Jim === Dr. Jim Maas University of East Anglia

British Medical Journal Document Class

Does anyone know of a British Medical Journal Document Class for Latex/Lyx? It might the same, or very similar to another one? Thanks J === Dr. Jim Maas University of East Anglia