model = Generalized linear mixed-effects model fit by PL Model information: Number of observations 30 Fixed effects coefficients 6 Random effects coefficients 0 Covariance parameters 1 Distribution Normal Link Identity FitMethod MPL Formula: freq ~ 1 + movement*state Model fit statistics: AIC BIC LogLikelihood Deviance 32.441 42.25 -9.2206 18.441 Fixed effects coefficients (95% CIs): Name Estimate SE tStat DF pValue Lower Upper {'(Intercept)' } 2.9584 0.14715 20.105 24 1.5911e-16 2.6547 3.2621 {'movement_headfixed' } -0.24741 0.2081 -1.1889 24 0.2461 -0.67691 0.18209 {'state_NREM' } 0.31777 0.2081 1.527 24 0.13983 -0.11173 0.74727 {'state_REM' } -1.8969 0.2081 -9.1152 24 2.9068e-09 -2.3264 -1.4674 {'movement_headfixed:state_NREM'} -0.015191 0.2943 -0.051618 24 0.95926 -0.6226 0.59221 {'movement_headfixed:state_REM' } -0.22561 0.2943 -0.76661 24 0.45079 -0.83302 0.38179 Random effects covariance parameters: Group: Error Name Estimate {'sqrt(Dispersion)'} 0.32904