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

[CSV file]

Density of motif

t-test: p=1.34187e-23

Neutral set average density: 0.0404096

Different set average density: 0.0523742

Presence of motif

           motif_present
gene_set    absent present
  different     64     930
  neutral      253    1700

Fisher's exact test: p=2.57586e-08

Binomial GLM: p=1.20816e-07

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-2.3422   0.3648   0.5268   0.5268   0.5268  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    1.90499    0.06739  28.270  < 2e-16 ***
differentTRUE  0.77131    0.14574   5.292 1.21e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2012.2  on 2946  degrees of freedom
Residual deviance: 1980.7  on 2945  degrees of freedom
AIC: 1984.7

Number of Fisher Scoring iterations: 5