How to join two datasets?
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Hi this is also my question. thanks 
2020-11-08T15:24:58Z
https://github.com/huggingface/datasets/issues/801#issuecomment-723592538
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Hi ! Currently the only way to add new fields to a dataset is by using `.map` and picking items from the other dataset

2020-11-09T09:08:49Z
https://github.com/huggingface/datasets/issues/801#issuecomment-723875976
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Closing this one. Feel free to re-open if you have other questions about this issue.

Also linking another discussion about joining datasets: #853 
2020-12-23T14:02:58Z
https://github.com/huggingface/datasets/issues/801#issuecomment-750313671
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Hi,

I'm wondering if it's possible to join two (preprocessed) datasets with the same number of rows but different labels? 

I'm currently trying to create paired sentences for BERT from `wikipedia/'20200501.en`, and I couldn't figure out a way to create a paired sentence using `.map()` where the second sentence is **not** the next sentence (i.e., from a different article) of the first sentence.

Thanks!