diff --git a/Comparaison_of_methods.rmd b/Comparaison_of_methods.rmd
index ff994d1..950867c 100644
--- a/Comparaison_of_methods.rmd
+++ b/Comparaison_of_methods.rmd
@@ -5,6 +5,13 @@ output: pdf_document
 
 # Scan statistique - Méthode de Monte Carlo et calcul de p-value
 
+## Import libraries
+```{r}
+library("localScore")
+library("latex2exp")
+library("Rcpp")
+```
+
 ## 1. Proposition for simulations under $\mathcal{H}_1$
 
 In this part, we propose a method that simulates a Poisson process under the hypothesis $\mathcal{H}_1$. The idea is to simulate a sample under $\mathcal{H}_0$, and add randomly a subsequence under the alternative hypothesis in this sequence.