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+# PCA Tests
+
+These files have nothing to do with the rest, but are a test to apply Principal Component Analysis to a small dataset of StackOverflow questions. 
+
+`data.txt` is extracted from the [StackOverflow data dump](https://archive.org/details/documentation-dump.7z)
+ (CC Attribution-Share Alike 3.0)
+
+It doesn't help anything with analyzing the simulation data, but I don't want to delete it.