The Altair Community is migrating to a new platform to provide a better experience for you. In preparation for the migration, the Altair Community is on read-only mode from October 28 - November 6, 2024. Technical support via cases will continue to work as is. For any urgent requests from Students/Faculty members, please submit the form linked here
X-Validation - how is the division of examples done
Learner III
Hello,
I have a question. How are the examples divided when using X-Validation?
For example, when I use X-Validation with 4 iteriations on the data of 100 examples, does it mean that
- first 75 examples will be for the learning purpose and the next 25 for testing in the 1 iteriation, then 1-25 and 51-100 will be for learning and 26-50 for testing... etc. OR
- the set for learning will be each time 75 and for testing 25, but examples in sets are chosen randomly?
Thank you in advance
I have a question. How are the examples divided when using X-Validation?
For example, when I use X-Validation with 4 iteriations on the data of 100 examples, does it mean that
- first 75 examples will be for the learning purpose and the next 25 for testing in the 1 iteriation, then 1-25 and 51-100 will be for learning and 26-50 for testing... etc. OR
- the set for learning will be each time 75 and for testing 25, but examples in sets are chosen randomly?
Thank you in advance
Tagged:
0
Answers
the second one is similar to Bootstrap validation. But in Bootstrap validation you can have examples twice in the training set.
~Martin
Dortmund, Germany