#Linear Mixed-Effects Model Summary.

## Linear mixed model fit by REML ['lmerMod']
## Formula: zscore_snr ~ DutyCycle + (1 | SubjectID)
##    Data: long_data
## 
## REML criterion at convergence: 373.8
## 
## Scaled residuals: 
##     Min      1Q  Median      3Q     Max 
## -1.9991 -0.5829 -0.1092  0.5969  2.6220 
## 
## Random effects:
##  Groups    Name        Variance Std.Dev.
##  SubjectID (Intercept) 2.995    1.731   
##  Residual              1.778    1.333   
## Number of obs: 96, groups:  SubjectID, 24
## 
## Fixed effects:
##              Estimate Std. Error t value
## (Intercept)    4.4049     0.4459   9.878
## DutyCycle50    1.0231     0.3849   2.658
## DutyCycle75    1.9401     0.3849   5.041
## DutyCycle100   0.5726     0.3849   1.488
## 
## Correlation of Fixed Effects:
##             (Intr) DtyC50 DtyC75
## DutyCycle50 -0.432              
## DutyCycle75 -0.432  0.500       
## DutyCycl100 -0.432  0.500  0.500

#ANOVA Results.

ANOVA Results for SNR by Duty Cycle
	F	Df	Df.res	Pr(>F)
DutyCycle	9.059458	3	69	3.9e-05

#Post-hoc Pairwise Comparisons

Post-hoc Pairwise Comparisons of Duty Cycles
group1	group2	estimate	SE	df	t.ratio	p.value	y.position	stars
Duty_Cycle25	Duty_Cycle50	-1.0230848	0.3848844	69	-2.658161	0.0585394	8	ns
Duty_Cycle25	Duty_Cycle75	-1.9400788	0.3848844	69	-5.040679	0.0000214	10	***
Duty_Cycle25	Duty_Cycle100	-0.5726399	0.3848844	69	-1.487823	0.8481215	8	ns
Duty_Cycle50	Duty_Cycle75	-0.9169941	0.3848844	69	-2.382518	0.1197289	8	ns
Duty_Cycle50	Duty_Cycle100	0.4504448	0.3848844	69	1.170338	1.0000000	8	ns
Duty_Cycle75	Duty_Cycle100	1.3674389	0.3848844	69	3.552856	0.0041542	11	**

Marginal and Conditional R².

## Marginal R²: 0.0963

## Conditional R²: 0.6634

SNR Plot with Significance Bars.

#Correlation Analysis between EEG and SNR

Spearman Correlation between EEG and SNR Z-scores by Duty Cycle
DutyCycle	correlation	p_value
25	-0.1478261	0.4889180
50	-0.0513043	0.8118785
75	0.1713043	0.4217527
100	-0.4304348	0.0369066

#EEG vs. SNR Correlation Plot

## `geom_smooth()` using formula = 'y ~ x'

Analysis of SNR and EEG Data

Flora

2024-08-20

Marginal and Conditional R².

SNR Plot with Significance Bars.