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Table 3 Two-way analysis of variance for relative fitness of mutants in five different environments with the environment and the genotype (mutants) treated as fixed effects, and a mixed effect model with the genotype treated as random and the temperature and glucose treated as fixed effects

From: Evolution of Escherichia coli rifampicin resistance in an antibiotic-free environment during thermal stress

Analysis of variance
Source df SS MS F values P
Environment 4 1.18349 0.295871 49.0517 <0.0001***
Genotype 2 0.00386 0.001930 0.3200 0.7268
Environment x Genotype 8 0.05311 0.006639 1.1006 0.3679
Residuals 117 0.70572 0.006032   
Mixed effects model
Source df F values P   
Temperature 1 49.171 <0.0001***   
Glucose 1 49.333 <0.0001***   
Temperature x Glucose 1 52.560 <0.0001***