"Hierarchical ANOVA, three factors, A and B crossed and fixed, C random and nested within them" "Dvanáct náhodně vybraných studentů univerzity, šest pregraduálních a šest postgraduálních, stanovovalo počet heterotrofních bakterií v 1 ml tří typů vody:" 1. odpadní voda 2. zněčištěná říční voda 3. čistá říční voda. "Každý student determinoval počet bakterií vždy pouze jednoho typu vody, a to ve třech opakováních." Water type Student postgraduates undergraduates Sewage 1 2700 2800 1700 4900 3600 1300 2 2600 3000 3200 3500 4100 2500 Polluted river 1 52 49 61 60 140 75 2 68 75 83 40 60 80 Clean river 1 5.9 7.6 16 6.4 4.2 4.1 2 5.6 5.9 6.3 8.3 3.1 5.2 Factors: water type fixed PG-UG fixed student random "Water type and PG-UG are crossed and fixed effects, students are hierarchically nested within them." Linear model: Data format: water type study student bacteria Sewage Ph.D. 1 2700 Sewage Ph.D. 1 2800 Sewage Ph.D. 1 1700 Sewage Mgr. 1 4900 Sewage Mgr. 1 3600 Sewage Mgr. 1 1300 Sewage Ph.D. 2 2600 Sewage Ph.D. 2 3000 Sewage Ph.D. 2 3200 Sewage Mgr. 2 3500 Sewage Mgr. 2 4100 Sewage Mgr. 2 2500 Polluted river Ph.D. 1 52 Polluted river Ph.D. 1 49 Polluted river Ph.D. 1 61 Polluted river Mgr. 1 60 Polluted river Mgr. 1 140 Polluted river Mgr. 1 75 Polluted river Ph.D. 2 68 Polluted river Ph.D. 2 75 Polluted river Ph.D. 2 83 Polluted river Mgr. 2 40 Polluted river Mgr. 2 60 Polluted river Mgr. 2 80 Clean river Ph.D. 1 5.9 Clean river Ph.D. 1 7.6 Clean river Ph.D. 1 16 Clean river Mgr. 1 6.4 Clean river Mgr. 1 4.2 Clean river Mgr. 1 4.1 Clean river Ph.D. 2 5.6 Clean river Ph.D. 2 5.9 Clean river Ph.D. 2 6.3 Clean river Mgr. 2 8.3 Clean river Mgr. 2 3.1 Clean river Mgr. 2 5.2 ##### Sheet/List 2 ##### water type study student bacteria ln bacteria Sewage Ph.D. 1 2700 7.901007052 Sewage Ph.D. 1 2800 7.937374696 Sewage Ph.D. 1 1700 7.43838353 Sewage Ph.D. 2 2600 7.863266724 Sewage Ph.D. 2 3000 8.006367568 Sewage Ph.D. 2 3200 8.070906089 Polluted river Ph.D. 1 52 3.951243719 Polluted river Ph.D. 1 49 3.891820298 Polluted river Ph.D. 1 61 4.110873864 Polluted river Ph.D. 2 68 4.219507705 Polluted river Ph.D. 2 75 4.317488114 Polluted river Ph.D. 2 83 4.418840608 Clean river Ph.D. 1 5.9 1.774952351 Clean river Ph.D. 1 7.6 2.028148247 Clean river Ph.D. 1 16 2.772588722 Clean river Ph.D. 2 5.6 1.722766598 Clean river Ph.D. 2 5.9 1.774952351 Clean river Ph.D. 2 6.3 1.840549633