Sami Belkacem

4 Questions 5 Answers 0 Followers

Questions related from Sami Belkacem

Can we duplicate data to assess the speed performance of supervised learning algorithms?

Let's suppose we want to compare for a given problem several supervised learning algorithms, in terms of accuracy and speed. If we don't have a lot of data, is it acceptable to duplicate...

27 December 2019 5,715 5 View

Find the best parameters using the Grid search and the Hold-out validation in case of chronologically ordered data?

Hi everyone, In machine learning, in the case of chronologically ordered data, is it possible to find the best parameters of an algorithm using the Grid search and the Hold-out validation instead...

21 November 2018 9,841 4 View

Hold-out validation or K-fold cross-validation in case of chronological ordered instances?

Hi everyone, In machine learning, suppose we have a training database consisting of chronological ordered instances, from least recent to most recent, e.g. a user's behavior on social...

20 November 2018 6,828 3 View

In case of balanced classes, what is the best metric to evaluate a supervised binary classifier?

Hello everyone, In case of balanced classes, what is the best metric to evaluate a supervised binary classifier that predicts if a tweet will be relevant or not to a user: MCC (Matthews...

02 October 2017 6,823 12 View