Here are some ideas -

- collection of news and finding the impact of news on stock prices ( NLP / Timeseries )

- put a camera in front of your street and predict daily traffic volume ( Computer Vision + prediction )

- predict the winners of the next UFC fight / NFL championship

Basically build a system on events that are currently happening / yet to happen in the near future and evaluate your results against the real outcomes.

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If you want to do the whole end-to-end project here are the things you have to do -

Try the whole pipeline - starting from

• data collection
• cleaning the data ( build rules)
• building the feature list
• creating your analytical dataset
• the complete model creation step
• prediction
• evaluation & interpretation of model result
• deploy to production
• evaluate model drift
• model refresh