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

[CSV file]

Density of motif

t-test: p=0.000284874

Neutral set average density: 0.00901178

Different set average density: 0.0112274

Presence of motif

           motif_present
gene_set    absent present
  different    594     400
  neutral     1273     680

Fisher's exact test: p=0.00409824

Binomial GLM: p=0.00389706

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.0148  -0.9252  -0.9252   1.3493   1.4526  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -0.62704    0.04750 -13.201   <2e-16 ***
differentTRUE  0.23162    0.08025   2.886   0.0039 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3872.7  on 2946  degrees of freedom
Residual deviance: 3864.4  on 2945  degrees of freedom
AIC: 3868.4

Number of Fisher Scoring iterations: 4