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

[CSV file]

Density of motif

t-test: p=2.34258e-15

Neutral set average density: 0.0974091

Different set average density: 0.0858753

Presence of motif

           motif_present
gene_set    absent present
  different      8     986
  neutral        5    1948

Fisher's exact test: p=0.0415395

Binomial GLM: p=0.0439829

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-3.4548   0.0716   0.0716   0.1271   0.1271  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)     5.9651     0.4477  13.323   <2e-16 ***
differentTRUE  -1.1509     0.5714  -2.014    0.044 *  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 166.96  on 2946  degrees of freedom
Residual deviance: 162.76  on 2945  degrees of freedom
AIC: 166.76

Number of Fisher Scoring iterations: 8