Cer

• Control event rate, a statistical value in epidemiology • Crossover error rate, a statistical value in a biometric system • Comparative effectiveness research, comparison of health care intervention effectiveness • Conditioned emotional response, a specific learned behavior or procedure Computing • Canonical Encoding Rules, an encoding format • Customer edge router, in computer networking • CER Computer (Serbian Latin: Cifarski Elektronski Računar, "Digital Electronic Computer"), series of early computers ==Places==

• Cer (mountain), a mountain in Serbia • Cer, Zvornik, a village in the municipality of Zvornik, Republika Srpska, Bosnia and Herzegovina • Cer, Kičevo, a village in the municipality of Kičevo, North Macedonia • Cherbourg – Maupertus Airport or Aéroport de Cherbourg - Maupertus (IATA airport code), an airport in France • Chinese Eastern Railway (Chinese: 中東鐵路/中东铁路, also known as the Chinese Far East Railway), a railway in northeastern China ==Organizations==

• Conference of European Rabbis, rabbinical alliance in Europe • Commission for Energy Regulation, a Republic of Ireland energy regulator • Community of European Railway and Infrastructure Companies, railway system ==Other uses==

• Certified emission reduction, emission units • Classic Endurance Racing, a sports car racing series founded in 2004 by Peter Auto Ltd. • Closer Economic Relations, a free trade agreement between Australia and New Zealand • Comparative Education Review, publication of the Comparative and International Education Society • Currency exchange rate, rate at which one currency will be exchanged for another currency • Keres, Greek goddess of violent death, one of the Greek primordial deities