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

[CSV file]

Density of motif

t-test: p=0.178863

Neutral set average density: 0.00122888

Different set average density: 0.00152918

Presence of motif

           motif_present
gene_set    absent present
  different    927      67
  neutral     1843     110

Fisher's exact test: p=0.250939

Binomial GLM: p=0.231917

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.3736  -0.3736  -0.3405  -0.3405   2.3986  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -2.81867    0.09815 -28.718   <2e-16 ***
differentTRUE  0.19141    0.16012   1.195    0.232    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 1338.7  on 2946  degrees of freedom
Residual deviance: 1337.3  on 2945  degrees of freedom
AIC: 1341.3

Number of Fisher Scoring iterations: 5