Ensemble: Edit: Add Binomial distribution and minor change.

src/Model/Ensembles/Distribution.py

@@ -195,6 +195,27 @@ class Normal(Distribution):
         return np.random.normal(*lst)
 
 
+class Binomial(Distribution):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "binomial", script: str = "",
+                 status=None):
+        super(Binomial, self).__init__(
+            id=id, status=status,
+            name=name, script=script
+        )
+
+        self._labels = ["binomial_n", "binomial_p"]
+        self._default_values = [100.0, 0.3]
+
+    def random(self, params, nb):
+        lst = params.copy()
+        lst.append(nb)
+
+        return np.random.binomial(*lst)
+
+
 class Poisson(Distribution):
     _sub_classes = []
 
@@ -206,7 +227,7 @@ class Poisson(Distribution):
             name=name, script=script
         )
 
-        self._labels = ["lam"]
+        self._labels = ["poisson_lam"]
         self._default_values = [5.0]
 
     def random(self, params, nb):