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

[CSV file]

Density of motif

t-test: p=0.000836034

Neutral set average density: 0.00215054

Different set average density: 0.00311871

Presence of motif

           motif_present
gene_set    absent present
  different    849     145
  neutral     1752     201

Fisher's exact test: p=0.000849798

Binomial GLM: p=0.000651161

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.5616  -0.5616  -0.4661  -0.4661   2.1325  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -2.16521    0.07447 -29.076  < 2e-16 ***
differentTRUE  0.39788    0.11670   3.409 0.000651 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2132.0  on 2946  degrees of freedom
Residual deviance: 2120.6  on 2945  degrees of freedom
AIC: 2124.6

Number of Fisher Scoring iterations: 4