2-mers CA 50 bases upstrand from poly(A) site

[CSV file]

Density of motif

t-test: p=3.66591e-07

Neutral set average density: 0.0454173

Different set average density: 0.0515694

Presence of motif

           motif_present
gene_set    absent present
  different     84     910
  neutral      203    1750

Fisher's exact test: p=0.100385

Binomial GLM: p=0.093028

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-2.2230   0.4202   0.4685   0.4685   0.4685  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    2.15417    0.07415   29.05   <2e-16 ***
differentTRUE  0.22846    0.13602    1.68    0.093 .  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 1882.0  on 2946  degrees of freedom
Residual deviance: 1879.1  on 2945  degrees of freedom
AIC: 1883.1

Number of Fisher Scoring iterations: 5