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

[CSV file]

Density of motif

t-test: p=0.0204552

Neutral set average density: 0.00117768

Different set average density: 0.00167002

Presence of motif

           motif_present
gene_set    absent present
  different    914      80
  neutral     1840     113

Fisher's exact test: p=0.0221954

Binomial GLM: p=0.0194369

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.4097  -0.4097  -0.3453  -0.3453   2.3874  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -2.79013    0.09692 -28.789   <2e-16 ***
differentTRUE  0.35433    0.15161   2.337   0.0194 *  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 1425.3  on 2946  degrees of freedom
Residual deviance: 1419.9  on 2945  degrees of freedom
AIC: 1423.9

Number of Fisher Scoring iterations: 5