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

[CSV file]

Density of motif

t-test: p=0.00255267

Neutral set average density: 0.00756784

Different set average density: 0.00929577

Presence of motif

           motif_present
gene_set    absent present
  different    656     338
  neutral     1387     566

Fisher's exact test: p=0.00601239

Binomial GLM: p=0.00522229

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.9117  -0.8273  -0.8273   1.4688   1.5739  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -0.89630    0.04988 -17.970  < 2e-16 ***
differentTRUE  0.23319    0.08349   2.793  0.00522 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3633.5  on 2946  degrees of freedom
Residual deviance: 3625.8  on 2945  degrees of freedom
AIC: 3629.8

Number of Fisher Scoring iterations: 4