updated docs

docs/docs/algorithms.xml

@@ -65,6 +65,7 @@
          <item>r_squared</item> 
          <item>mean_squared_error</item> 
          <item>running_covariance</item> 
+         <item>running_cross_covariance</item> 
          <item>random_subset_selector</item> 
          <item>randomly_subsample</item> 
 
@@ -487,6 +488,18 @@
 
       </component>
       
+   <!-- ************************************************************************* -->
+
+      <component>
+         <name>running_cross_covariance</name>
+         <file>dlib/statistics.h</file>
+         <spec_file link="true">dlib/statistics/statistics_abstract.h</spec_file>
+         <description>
+                This object is a simple tool for computing the mean and
+                cross-covariance matrices of a sequence of pairs of vectors.  
+         </description>
+
+      </component>
       
    <!-- ************************************************************************* -->
 

docs/docs/term_index.xml

@@ -235,6 +235,7 @@
          <term file="algorithms.html" name="r_squared"                     include="dlib/statistics.h"/>
          <term file="algorithms.html" name="mean_squared_error"            include="dlib/statistics.h"/>
          <term file="algorithms.html" name="running_covariance"            include="dlib/statistics.h"/>
+         <term file="algorithms.html" name="running_cross_covariance"      include="dlib/statistics.h"/>
          <term file="algorithms.html" name="random_subset_selector"        include="dlib/statistics.h"/>
          <term file="algorithms.html" name="randomly_subsample"            include="dlib/statistics.h"/>