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

[CSV file]

Density of motif

t-test: p=4.08752e-07

Neutral set average density: 0.00416795

Different set average density: 0.00627767

Presence of motif

           motif_present
gene_set    absent present
  different    725     269
  neutral     1585     368

Fisher's exact test: p=4.92635e-07

Binomial GLM: p=3.37295e-07

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.7944  -0.6462  -0.6462  -0.6462   1.8270  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.46026    0.05786 -25.236  < 2e-16 ***
differentTRUE  0.46880    0.09190   5.101 3.37e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3076.6  on 2946  degrees of freedom
Residual deviance: 3051.0  on 2945  degrees of freedom
AIC: 3055

Number of Fisher Scoring iterations: 4