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-rw-r--r--examples/pca2.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/pca2.hs b/examples/pca2.hs
index bd498e4..8c20370 100644
--- a/examples/pca2.hs
+++ b/examples/pca2.hs
@@ -1,6 +1,6 @@
1-- Improved PCA, including illustrative graphics 1-- Improved PCA, including illustrative graphics
2 2
3import LinearAlgebra 3import Numeric.LinearAlgebra
4import Graphics.Plot 4import Graphics.Plot
5import System.Directory(doesFileExist) 5import System.Directory(doesFileExist)
6import System(system) 6import System(system)
@@ -24,7 +24,7 @@ type Stat = (Vec, [Double], Mat)
24stat :: Mat -> Stat 24stat :: Mat -> Stat
25stat x = (m, toList s, trans v) where 25stat x = (m, toList s, trans v) where
26 m = mean x 26 m = mean x
27 (s,v) = eigS (cov x) 27 (s,v) = eigSH' (cov x)
28 28
29-- creates the compression and decompression functions from the desired reconstruction 29-- creates the compression and decompression functions from the desired reconstruction
30-- quality and the statistics of a data set 30-- quality and the statistics of a data set