--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA.xml	Tue May 20 03:26:23 2014 -0400
@@ -0,0 +1,35 @@
+<tool id="PCA" name="PCA">
+  <description>Principal Component analysis</description>
+  <command interpreter="Rscript">PCA.R $input $output $output2</command>
+  <inputs>
+    <param name="input" type="data" format="csv" label="Procrustes csvfile" />
+  </inputs>
+  <outputs>
+    <data format = "csv" name = "output2" label = "standard deviation"/>
+    <data format="csv" name="output" label = "Principal Components" />
+    
+  </outputs>
+
+  
+  <help>
+**Function**
+
+Principal Component analysis on procrustes coordinates of landmark data
+
+**Input file**
+
+.csv file Procrustes coordinates
+
+
+**Output**
+
+Principal Components
+
+Standard deviation
+
+**Tip**
+
+Use **Procrustes** to produce the procrustes coordinates 
+  </help>
+
+</tool>