chore: Bump statistics down so it works with iHaskell.

Author: mchav

dataframe.cabal

@@ -192,7 +192,7 @@ executable one_billion_row_challenge
                       directory >= 1.3.0.0 && <= 1.3.9.0,
                       hashable >= 1.2 && <= 1.5.0.0,
                       snappy >= 0.2.0.0 && <= 0.2.0.4,
-                      statistics >= 0.16.2.1 && <= 0.16.3.0,
+                      statistics >= 0.16.2.1 && < 0.16.3.0,
                       template-haskell >= 2.0 && <= 2.30,
                       text >= 2.0 && <= 2.1.2,
                       time >= 1.12 && <= 1.14,

src/DataFrame/Operations/Statistics.hs

@@ -91,7 +91,7 @@ correlation :: T.Text -> T.Text -> DataFrame -> Maybe Double
 correlation first second df = do
   f <- _getColumnAsDouble first df
   s <- _getColumnAsDouble second df
-  return $ SS.correlation2 f s
+  return $ SS.correlation (VG.zip f s)
 
 _getColumnAsDouble :: T.Text -> DataFrame -> Maybe (VU.Vector Double)
 _getColumnAsDouble name df = case getColumn name df of