1-mers U 3' UTR

[CSV file]

Density of motif

t-test: p=1.86121e-11

Neutral set average density: 0.429231

Different set average density: 0.41561

Presence of motif

           motif_present
gene_set    absent present
  different      0     994
  neutral        0    1953

Fisher's exact test: p=1

Binomial GLM: p=1

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

Deviance Residuals: 
      Min         1Q     Median         3Q        Max  
2.409e-06  2.409e-06  2.409e-06  2.409e-06  2.409e-06  

Coefficients:
               Estimate Std. Error z value Pr(>|z|)
(Intercept)   2.657e+01  8.058e+03   0.003    0.997
differentTRUE 6.346e-08  1.388e+04   0.000    1.000

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 0.0000e+00  on 2946  degrees of freedom
Residual deviance: 1.7097e-08  on 2945  degrees of freedom
AIC: 4

Number of Fisher Scoring iterations: 25

Binomial GLM adjusted for length: p=1

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

Deviance Residuals: 
      Min         1Q     Median         3Q        Max  
2.409e-06  2.409e-06  2.409e-06  2.409e-06  2.409e-06  

Coefficients:
                Estimate Std. Error z value Pr(>|z|)
(Intercept)    2.657e+01  1.066e+04   0.002    0.998
length        -6.808e-12  3.692e+01   0.000    1.000
differentTRUE  4.868e-06  1.455e+04   0.000    1.000

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 0.0000e+00  on 2946  degrees of freedom
Residual deviance: 1.7097e-08  on 2944  degrees of freedom
AIC: 6

Number of Fisher Scoring iterations: 25