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

[CSV file]

Density of motif

t-test: p=0.0471635

Neutral set average density: 0.00417819

Different set average density: 0.00490946

Presence of motif

           motif_present
gene_set    absent present
  different    769     225
  neutral     1587     366

Fisher's exact test: p=0.0131188

Binomial GLM: p=0.0126423

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.7164  -0.7164  -0.6442  -0.6442   1.8300  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.46697    0.05799 -25.299   <2e-16 ***
differentTRUE  0.23798    0.09543   2.494   0.0126 *  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2953.8  on 2946  degrees of freedom
Residual deviance: 2947.7  on 2945  degrees of freedom
AIC: 2951.7

Number of Fisher Scoring iterations: 4