Convert dataset to Parquet

#4
raw_formulas/train-00000-of-00001.parquet ADDED
@@ -0,0 +1,3 @@
 
 
 
 
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+ version https://git-lfs.github.com/spec/v1
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+ oid sha256:79082715e51aa7d231909d5fcffd83c8997d792399832f654f88e6b8914af47b
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+ size 89507618