1-mers C 3' UTR

[CSV file]

Density of motif

t-test: p=2.19693e-81

Neutral set average density: 0.156564

Different set average density: 0.194747

Presence of motif

           motif_present
gene_set    absent present
  different      0     994
  neutral        4    1949

Fisher's exact test: p=0.30719

Binomial GLM: p=0.991452

Call:
glm(formula = motif_present ~ different, family = binomial, data = daf)

Deviance Residuals: 
   Min      1Q  Median      3Q     Max  
-3.519   0.000   0.064   0.064   0.064  

Coefficients:
               Estimate Std. Error z value Pr(>|z|)    
(Intercept)      6.1888     0.5005  12.365   <2e-16 ***
differentTRUE   16.3773  1528.6889   0.011    0.991    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 60.813  on 2946  degrees of freedom
Residual deviance: 57.518  on 2945  degrees of freedom
AIC: 61.518

Number of Fisher Scoring iterations: 21

Binomial GLM adjusted for length: p=0.994398

Call:
glm(formula = motif_present ~ length + different, family = binomial, 
    data = daf)

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-3.6127   0.0000   0.0001   0.0129   0.3873  

Coefficients:
               Estimate Std. Error z value Pr(>|z|)  
(Intercept)   8.624e-01  1.483e+00   0.582   0.5608  
length        8.451e-02  3.504e-02   2.412   0.0159 *
differentTRUE 1.594e+01  2.271e+03   0.007   0.9944  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 60.813  on 2946  degrees of freedom
Residual deviance: 41.704  on 2944  degrees of freedom
AIC: 47.704

Number of Fisher Scoring iterations: 23