Happy can now do covariates.
Happy can now do covariates.

BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl,BackupTheBerlios/eqtl