Is that all the detail you can give us about the problem you're having? Read: https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1002202

If you know what the dataset is (it has to have some sort of a name, at least a filename), maybe go chase down the metadata online using that? Hard to tell given the lack of details and context (as @RamRS pointed out).