Address deprecation warnings

src/SALib/analyze/delta.py

@@ -143,7 +143,7 @@ def calc_delta(Y, Ygrid, X, m):
         else:
             fy_ = np.abs(fy)
 
-        d_hat += (nm / (2 * N)) * np.trapz(fy_, Ygrid)
+        d_hat += (nm / (2 * N)) * np.trapezoid(fy_, Ygrid)
 
     return d_hat
 

src/SALib/test_functions/Sobol_G.py

@@ -81,7 +81,7 @@ def evaluate(values, a=None, delta=None, alpha=None):
         mod_x = shift_of_x - integral
         temp_y = np.abs(2 * mod_x - 1) ** alpha
         y_elements = ((1 + alpha) * temp_y + a) / (1 + a)
-        Y[i] = np.prod(y_elements)
+        Y[i] = y_elements.prod()
 
     return Y
 
@@ -103,7 +103,7 @@ def _total_variance(a=None, alpha=None):
         alpha = np.ones_like(a)
 
     a = np.array(a)
-    return np.add(-1, np.product(1 + _partial_first_order_variance(a, alpha), axis=0))
+    return np.add(-1, np.prod(1 + _partial_first_order_variance(a, alpha), axis=0))
 
 
 def sensitivity_index(a, alpha=None):
@@ -116,6 +116,6 @@ def total_sensitivity_index(a, alpha=None):
 
     pv = _partial_first_order_variance(a, alpha)
     tv = _total_variance(a, alpha)
-    product_pv = np.product(1 + pv, axis=0)
+    product_pv = np.prod(1 + pv, axis=0)
 
     return np.divide(pv * np.divide(product_pv, 1 + pv.T), tv)

src/SALib/util/__init__.py

@@ -299,7 +299,7 @@ def compute_groups_matrix(groups: List):
         groups and a list of unique group names
     """
     num_vars = len(groups)
-    unique_group_names = pd.unique(groups)
+    unique_group_names = pd.unique(np.array(groups))
     number_of_groups = len(unique_group_names)
 
     indices = dict([(x, i) for (i, x) in enumerate(unique_group_names)])