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

[CSV file]

Density of motif

t-test: p=5.02858e-08

Neutral set average density: 0.00687148

Different set average density: 0.00965795

Presence of motif

           motif_present
gene_set    absent present
  different    612     382
  neutral     1389     564

Fisher's exact test: p=2.19169e-07

Binomial GLM: p=1.64543e-07

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.9849  -0.8256  -0.8256   1.3830   1.5761  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -0.90129    0.04993 -18.051  < 2e-16 ***
differentTRUE  0.42997    0.08213   5.235 1.65e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3699.2  on 2946  degrees of freedom
Residual deviance: 3672.0  on 2945  degrees of freedom
AIC: 3676

Number of Fisher Scoring iterations: 4