iii

fluents/lib/validation.py

@@ -1,7 +1,7 @@
 """This module implements some common validation schemes from pca and pls.
 """
 from scipy import ones,mean,sqrt,dot,newaxis,zeros,sum,empty,\
-     apply_along_axis,eye,kron,array,sort
+     apply_along_axis,eye,kron,array,sort,zeros_like,argmax
 from scipy.stats import median
 from scipy.linalg import triu,inv,svd,norm
 
@@ -122,7 +122,7 @@ def lpls_val(X, Y, Z, a_max=2, nsets=None,alpha=.5):
         B = dat['B']
         b0 = dat['b0']
         for a in range(a_max):
-            Yhat[a,ind,:] = b0[a][0][0] + dot(xi, B[a])
+            Yhat[a,ind,:] = b0[a][0][0] + dot(xi-xcal.mean(0), B[a])
     Yhat_class = zeros_like(Yhat)
     for a in range(a_max):
         for i in range(k):