rapport : changing fig position for net clustering

rapport/chapter4-simulations/network-clustering.tex

@@ -52,7 +52,7 @@ matrices are equal and the 9 networks have the same connection structure.
 Increasing $\epsilon$ differentiates the 3 sub-collections of networks.
 
 % ARI boxplot
-\begin{figure}[H]
+\begin{figure}[!ht]
     \centering
     \includestandalone{tikz/simulations/clustering/ari-clustering.tex}
     \caption{ARI obtained for the clustering with the different models in