Fix error caused by different number of ticks and tick labels

Author: pulkkins

pysteps/verification/plots.py

@@ -103,7 +103,7 @@ def plot_rankhist(rankhist, ax=None):
     ax.bar(x, r, width=1.0 / len(x), align="edge", color="gray", edgecolor="black")
 
     ax.set_xticks(x[::3] + (x[1] - x[0]))
-    ax.set_xticklabels(np.arange(1, len(x))[::3])
+    ax.set_xticklabels(np.arange(1, len(x) + 1)[::3])
     ax.set_xlim(0, 1 + 1.0 / len(x))
     ax.set_ylim(0, np.max(r) * 1.25)