Dear @DREAMOlfactoryMixturesPredictionChallenge2025Participants & @DREAMOlfactoryMixturesPredictionChallenge20Preregistrants, We are pleased to announce the official opening of the DREAM Olfactory Mixtures Prediction Challenge 2025 evaluation queues will go live at 23:59 UTC today! Building on the achievements of past DREAM Olfaction Challenges, this year's competition introduces fresh complexities and exciting opportunities for innovation in olfactory science. Don't miss out. Please remember to register now, if you haven't done so already, to dive into two engaging and thought-provoking tasks! ${jointeam?teamId=3530300&isChallenge=true&isMemberMessage=You have successfully registered for the Challenge%2E&text=Click Here to Register&isSimpleRequestButton=true&requestOpenText=Your registration is in progress%2E&successMessage=Your registration is in progress%2E} Stay tuned for more information about an upcoming webinar hosted by the Challenge Organizers~

Created by Maria Diaz mdsage1
Hi @sheerin, You can submit to the leaderboard (TASK1LeaderboardsetSubmissionform.csv and TASK2LeaderboardsetSubmissionform.csv) up to three times, and submit only once for the final test, for both TASK 1 and TASK 2.
How many submissions can be made for each task?
What is the reason for getting NaN in the pearson column? please check my submission
can you kindly delete the invalid submissions 9752595 and 9752624?
Hi @dskhanirfan It appears that your submission, 9752595, is invalid because of an issue with `Invalid prediction file headers and/or column types.` Please check the data types, column counts, and row counts of your submission file.
Hi why is the submission 9752595 invalid?
It's usually within 30 minutes, but it might be adjusted during holidays. Could you please @mdsage1 to confirm if that's the case?
How long does it take for the evaluation and to see the results on leaderboard?
Yes! You can submit to the leaderboard (**TASK1LeaderboardsetSubmissionform.csv and TASK2LeaderboardsetSubmissionform.csv**) up to three times, and submit only once for the final test, for both TASK 1 and TASK 2.
for task1, I can do 3 submissions on leaderboard with this file? TASK1_Leaderboard_set_Submission_form.csv
Please read the description of all of the data files here: https://www.synapse.org/Synapse:syn64743570/wiki/632382
what is OpenPOM_Dream_RATA and is it part of task_1?
The two forms contain different stimuli for leaderboard and final test submissions. And you could use TASK1_StimulusDefinition to look up their details; you may submit to the leaderboard up to three times, but only once for the final test.
what is the difference between TASK1_test_set_Submission_form and TASK1_leaderboard_set_Submission_form. ?
The TASK1_StimulusDefinition includes information about all stimuli used in the challenge, covering the training, leaderboard, and test datasets. That's why it contains more entries than the training data alone.
Hi @dskhanirfan. This is a great question for one of our @DREAMOlfactoryMixturesPredictionChallenge2.0Organizers to answer. Please reach out if you don't receive a timely response.
Is there any reason why more stimulus data is given in TASK1_Stimulus_definition than in TASK1_training training data?

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