Re: [scikit-learn] Regarding negative value of sklearn.metrics.r2_score and sklearn.metrics.explained_variance_score

2021-08-14 Thread Fernando Marcos Wittmann
Hi Samir, the following visualization might be useful for gaining intuition on the meaning of a negative r2: https://gist.github.com/WittmannF/02060b45ce3ec9239898a5b91df2564e A negative r2 is reflects into a model predicting the opposite trend of the data. On Sat, Aug 14, 2021, 03:17 Samir K Mah

Re: [scikit-learn] random forests and multil-class probability

2021-08-14 Thread Francois Dion
Yellowbrick has multi label precision recall curves and multiclass roc/auc builtin: https://www.scikit-yb.org/en/latest/api/classifier/rocauc.html Sent from my iPad > On Jul 27, 2021, at 6:03 AM, Guillaume Lemaître > wrote: > > As far that I remember, `precision_recall_curve` and `roc_curve

Re: [scikit-learn] random forests and multil-class probability

2021-08-14 Thread Matteo Caorsi
Greetings! I am currently out of office, with limited access to emails, till August the 30th. Please contact supp...@giotto.ai for technical issues concerning Giotto Platform. Otherwise, I will reply to your email as soon as possible upon my return. With best regards, Matteo On 27 Jul 2021,

Re: [scikit-learn] random forests and multil-class probability

2021-08-14 Thread Matteo Caorsi
Greetings! I am currently out of office, with limited access to emails, till August the 30th. Please contact supp...@giotto.ai for technical issue concerning Giotto Platform. Otherwise, I will reply to your email as soon as possible upon my return. With best regards, Matteo On 27 Jul 2021, at

Re: [scikit-learn] random forests and multil-class probability

2021-08-14 Thread Matteo Caorsi
Greetings! I am currently out of office, with limited access to emails, till August the 30th. Please contact supp...@giotto.ai for technical issues concerning Giotto Platform. Otherwise, I will reply to your email as soon as possible upon my return. With best regards, Matteo On 27 Jul 2021,

Re: [scikit-learn] random forests and multil-class probability

2021-08-14 Thread Matteo Caorsi
Greetings! I am currently out of office, with limited access to emails, till August the 30th. Please contact supp...@giotto.ai for technical issue concerning Giotto Platform. Otherwise, I will reply to your email as soon as possible upon my return. With best regards, Matteo On 27 Jul 2021, at