fixed PCA embedding

scripts/helpers.py

@@ -75,8 +75,8 @@ def create_kmeans_data(data, labels):
 
 def PCA_embedding(X, n):
     pca = PCA(n_components=n)
-    X_freq = FREQ_transform(X)
-    return pca.fit_transform(X_freq)
+#    X_freq = FREQ_transform(X)
+    return pca.fit_transform(X)
 
 def KMEANS_embedding(X, km):
     """Transforms the counts contained in the data X into K-means clustered frequencies."""