2-mers UA 3' UTR

[CSV file]

Density of motif

t-test: p=1.51599e-12

Neutral set average density: 0.0861155

Different set average density: 0.0792988

Presence of motif

           motif_present
gene_set    absent present
  different      1     993
  neutral        2    1951

Fisher's exact test: p=1

Binomial GLM: p=0.988422

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-3.7153   0.0449   0.0453   0.0453   0.0453  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    6.88295    0.70741   9.730   <2e-16 ***
differentTRUE  0.01778    1.22526   0.015    0.988    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 47.337  on 2946  degrees of freedom
Residual deviance: 47.336  on 2945  degrees of freedom
AIC: 51.336

Number of Fisher Scoring iterations: 9

Binomial GLM adjusted for length: p=0.342961

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

Deviance Residuals: 
     Min        1Q    Median        3Q       Max  
-2.66187   0.00000   0.00000   0.00017   1.00186  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)  
(Intercept)    -2.7961     2.4707  -1.132   0.2578  
length          0.2253     0.0912   2.471   0.0135 *
differentTRUE  -1.2827     1.3526  -0.948   0.3430  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 47.337  on 2946  degrees of freedom
Residual deviance: 21.818  on 2944  degrees of freedom
AIC: 27.818

Number of Fisher Scoring iterations: 16