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

[CSV file]

Density of motif

t-test: p=0.00139954

Neutral set average density: 0.00403482

Different set average density: 0.00523139

Presence of motif

           motif_present
gene_set    absent present
  different    760     234
  neutral     1596     357

Fisher's exact test: p=0.000926168

Binomial GLM: p=0.000765732

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.7327  -0.7327  -0.6354  -0.6354   1.8436  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.49752    0.05855 -25.578  < 2e-16 ***
differentTRUE  0.31952    0.09496   3.365 0.000766 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2953.8  on 2946  degrees of freedom
Residual deviance: 2942.6  on 2945  degrees of freedom
AIC: 2946.6

Number of Fisher Scoring iterations: 4