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

[CSV file]

Density of motif

t-test: p=4.24862e-06

Neutral set average density: 0.00545827

Different set average density: 0.0077666

Presence of motif

           motif_present
gene_set    absent present
  different    691     303
  neutral     1517     436

Fisher's exact test: p=1.8327e-06

Binomial GLM: p=1.47885e-06

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.8528  -0.7108  -0.7108   1.5414   1.7317  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.24685    0.05434 -22.946  < 2e-16 ***
differentTRUE  0.42244    0.08775   4.814 1.48e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3319.3  on 2946  degrees of freedom
Residual deviance: 3296.5  on 2945  degrees of freedom
AIC: 3300.5

Number of Fisher Scoring iterations: 4