3-mers UCC 50 bases upstrand from poly(A) site

[CSV file]

Density of motif

t-test: p=3.5105e-06

Neutral set average density: 0.00777266

Different set average density: 0.0103823

Presence of motif

           motif_present
gene_set    absent present
  different    602     392
  neutral     1358     595

Fisher's exact test: p=1.33574e-06

Binomial GLM: p=1.13723e-06

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.0015  -0.8525  -0.8525   1.3642   1.5418  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -0.82521    0.04916 -16.785  < 2e-16 ***
differentTRUE  0.39621    0.08142   4.866 1.14e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3758.1  on 2946  degrees of freedom
Residual deviance: 3734.5  on 2945  degrees of freedom
AIC: 3738.5

Number of Fisher Scoring iterations: 4