Allow clustering only for measurement matrix bigger than 2x2.
Allow clustering only for measurement matrix bigger than 2x2.

agapow/smartr,thehyve/heim-SmartR,thehyve/naa-SmartR,thehyve/naa-SmartR,agapow/smartr,thehyve/heim-SmartR,thehyve/naa-SmartR,thehyve/heim-SmartR,agapow/smartr,agapow/smartr,thehyve/heim-SmartR