Experiments DB Dev
69 lines
2.9 KiB
Plaintext
69 lines
2.9 KiB
Plaintext
==============================================================================
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VARIATION: naive_a2_d0_5 [metric: success COUNT]
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==============================================================================
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model: behavior ~ stim + day + stim:day + (1|rat) (behavior = success COUNT)
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day = training day within window (0 = first analyzed day)
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treatment (stim=1): Electrode-Box-B2
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control (stim=0): Electrode-Box-A2, Naive
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N = 10 rats, 59 sessions raw day coverage: treat 0..5, control 0..5
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(equal day coverage over this window)
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==============================================================================
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FULL MODEL SUMMARY -- fitlme
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==============================================================================
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Linear mixed-effects model fit by ML
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Model information:
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Number of observations 59
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Fixed effects coefficients 4
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Random effects coefficients 10
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Covariance parameters 2
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Formula:
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behavior ~ 1 + day*stim + (1 | rat)
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Model fit statistics:
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AIC BIC LogLikelihood Deviance
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489.28 501.74 -238.64 477.28
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Fixed effects coefficients (95% CIs):
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Name Estimate SE tStat DF pValue
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{'(Intercept)'} 9.0584 5.0267 1.8021 55 0.077018
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{'day' } 8.2568 1.1279 7.3206 55 1.1254e-09
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{'stim' } 0.44958 9.048 0.049688 55 0.96055
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{'day:stim' } 6.9622 2.0162 3.4532 55 0.0010733
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Lower Upper
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-1.0153 19.132
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5.9965 10.517
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-17.683 18.582
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2.9217 11.003
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Random effects covariance parameters (95% CIs):
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Group: rat (10 Levels)
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Name1 Name2 Type Estimate
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{'(Intercept)'} {'(Intercept)'} {'std'} 9.6432
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Lower Upper
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5.5002 16.907
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Group: Error
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Name Estimate Lower Upper
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{'Res Std'} 12.109 9.9317 14.763
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effect t(df) / F(df1) p (resid) Satterthwaite: p (df)
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----------------------------------------------------------------------------
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stim x day (interaction) t(55)= 3.45 F(1)= 11.924 p=0.001073 p=0.001152 (df=49)
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day (learning) t(55)= 7.32 F(1)= 53.591 p=1.125e-09 p=2.092e-09 (df=49)
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stim (main, window start) t(55)= 0.05 F(1)= 0.002 p=0.9606 p=0.9609 (df=20)
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interaction 95% CI: [+2.922, +11]
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HONEST LME (per-animal random slope, day|rat): interaction F(1,9.7)=6.65, p=0.02815
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(Satterthwaite DF ~= residual on this random-intercept model; the random-slope
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model above is the honest learning-rate test -- DF collapses toward the animal count.)
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INTERPRETATION: stim x day interaction SIGNIFICANT positive -- treatment improves FASTER (benefit accumulates) (p=0.001073, slope diff=+6.962)
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Paper (N=24, count): interaction t(227)=2.68, F(1)=7.12, p=0.008.
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