minor fix of calibration_ecdf

Author: paul-buerkner

bayesflow/diagnostics/plots/calibration_ecdf.py

@@ -145,7 +145,7 @@ def calibration_ecdf(
     for j in range(ranks.shape[-1]):
         ecdf_single = np.pad(np.sort(ranks[:, j]), (1, 1), constant_values=(0, 1))
         xx = ecdf_single
-        yy = np.arange(1, xx.shape[-1] + 1) / float(xx.shape[-1])
+        yy = np.linspace(0, 1, num=xx.shape[-1])
 
         # Difference, if specified
         if difference: