I’m in the process of trying to get a handle on some datasets. I know there are identical entries spread across several files, but I’d like to find a way to visualize those connections, either in a map or even just a table.

My immediate task just has three smallish CSV’s so I could easily write an R script to pull out the matches, but I’d prefer to more visual tool that can operate across larger bodies of data.

I remember seeing a Defcon presentation where a similar tool was described for matching metadata, so I’m going back through old videos to try and find that, but I’m hoping someone here might know some good suggestions.

Thanks!