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

Dynamic LDA

aileenzhouaileenzhou Member Posts: 12 Contributor II
in Help
I used Extract Topics from Data (LDA). The result makes sense. However, I want to see how some topics fade away or become more popular over the years. Please can you help? Thank you.
Tagged:

Answers

  • MartinLiebigMartinLiebig Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,533 RM Data Scientist
    Hi,

    why don't you chart something like avg(congidence(topic_1)) over time?

    Best,
    Martin
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
  • aileenzhouaileenzhou Member Posts: 12 Contributor II
    edited May 2021
    Thank you, Martin. But what 'congidence' refer to? I can't find this operator. 
  • MartinLiebigMartinLiebig Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,533 RM Data Scientist
    sorry, i mean confidence.

    Best,
    martin
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
Sign In or Register to comment.