Achim Koerber

Good tip! I was stuck when trying to run the Chapter 6 notebook, because I did not know that Graphviz could be installed in IPython.

Indeed. I updated my version of CoNLL2002.ipynb: `params = rs.cv_results_['params'] scores = rs.cv_results_['mean_test_score'] _x = [params[s]['c1'] for s in range(len(params))] _y = [params[s]['c2'] for s in range(len(params))] _c = [scores[s]...