6 files changed, 71 insertions, 0 deletions
diff --git a/data_sets/default_data_set.hpp b/data_sets/default_data_set.hpp
index 4d0b89e..7d63fb9 100644
--- a/data_sets/default_data_set.hpp
+++ b/data_sets/default_data_set.hpp
@@ -1,3 +1,7 @@
+/**
+   \file default_data_set.hpp
+ */
+
 #ifndef DEFAULT_DATA_SET
 #define DEFAULT_DATA_SET
 #include "core/fitter.hpp"
@@ -7,6 +11,11 @@
 namespace opt_utilities
 {
 
+  /**
+     default implement of the data set
+     \tparam Ty type of y
+     \tparam Tx type of x
+   */
   template <typename Ty,typename Tx>
   class default_data_set
     :public data_set<Ty,Tx>
diff --git a/data_sets/sorted_data_set.hpp b/data_sets/sorted_data_set.hpp
index 0512f18..868f293 100644
--- a/data_sets/sorted_data_set.hpp
+++ b/data_sets/sorted_data_set.hpp
@@ -1,3 +1,7 @@
+/**
+   \file sorted_data_set.hpp
+*/
+
 #ifndef SORTED_DATA_SET
 #define SORTED_DATA_SET
 #include "core/fitter.hpp"
@@ -14,6 +18,12 @@ namespace opt_utilities
   }
 
 
+
+  /**
+     automatically sorting data set
+     \tparam Ty type of y
+     \tparam Tx type of x
+   */
   template <typename Ty,typename Tx>
   class sorted_data_set
     :public data_set<Ty,Tx>
diff --git a/methods/aga/aga.hpp b/methods/aga/aga.hpp
index f5edff3..81c53df 100644
--- a/methods/aga/aga.hpp
+++ b/methods/aga/aga.hpp
@@ -1,3 +1,8 @@
+/**
+   \file aga.hpp
+   asexual genetic algorithm method
+*/
+
 #ifndef AGA_METHOD
 #define AGA_METHOD
 #include <core/optimizer.hpp>
@@ -37,6 +42,14 @@ namespace opt_utilities
     }
   };
 
+
+  /**
+     Implement of the asexual genetic algorithm
+     2009A&A...501.1259C
+     http://adsabs.harvard.edu/abs/2009arXiv0905.3712C
+     \tparam rT return type of the object function
+     \tparam pT parameter type of the object function
+   */
   template <typename rT,typename pT>
   class aga_method
     :public opt_method<rT,pT>
diff --git a/statistics/chisq.hpp b/statistics/chisq.hpp
index 5f28d86..7c38b4e 100644
--- a/statistics/chisq.hpp
+++ b/statistics/chisq.hpp
@@ -1,3 +1,7 @@
+/**
+   \file chisq.hpp
+ */
+
 #ifndef CHI_SQ_HPP
 #define CHI_SQ_HPP
 #include <core/fitter.hpp>
@@ -8,6 +12,15 @@ using std::cerr;using std::endl;
 
 namespace opt_utilities
 {
+
+  /**
+     chi-square statistic
+     \tparam Ty the return type of model
+     \tparam Tx the type of the self-var
+     \tparam Tp the type of model parameter
+     \tparam Ts the type of the statistic
+     \tparam Tstr the type of the string used
+   */
   template<typename Ty,typename Tx,typename Tp,typename Ts,typename Tstr>
   class chisq
     :public statistic<Ty,Tx,Tp,Ts,Tstr>
diff --git a/statistics/cstat.hpp b/statistics/cstat.hpp
index 058523d..45e2920 100644
--- a/statistics/cstat.hpp
+++ b/statistics/cstat.hpp
@@ -1,3 +1,7 @@
+/**
+   \file cstat.hpp
+ */
+
 #ifndef CSTAT_HPP
 #define CSTAT_HPP
 #include <core/fitter.hpp>
@@ -6,6 +10,15 @@
 using std::cout;using std::endl;
 namespace opt_utilities
 {
+
+  /**
+     c-statistic, max-likelihood method
+     \tparam Ty the return type of model
+     \tparam Tx the type of the self-var
+     \tparam Tp the type of model parameter
+     \tparam Ts the type of the statistic
+     \tparam Tstr the type of the string used
+   */
   template<typename Ty,typename Tx,typename Tp,typename Ts,typename Tstr>
   class cstat
     :public statistic<Ty,Tx,Tp,Ts,Tstr>
diff --git a/statistics/leastsq.hpp b/statistics/leastsq.hpp
index 48b753a..6ac0adc 100644
--- a/statistics/leastsq.hpp
+++ b/statistics/leastsq.hpp
@@ -1,3 +1,7 @@
+/**
+   \file leastsq.hpp
+ */
+
 #ifndef LEAST_SQ_HPP
 #define LeAST_SQ_HPP
 #include <core/fitter.hpp>
@@ -8,6 +12,15 @@ using std::cerr;using std::endl;
 
 namespace opt_utilities
 {
+
+   /**
+     least-square statistic
+     \tparam Ty the return type of model
+     \tparam Tx the type of the self-var
+     \tparam Tp the type of model parameter
+     \tparam Ts the type of the statistic
+     \tparam Tstr the type of the string used
+   */
   template<typename Ty,typename Tx,typename Tp,typename Ts,typename Tstr>
   class leastsq
     :public statistic<Ty,Tx,Tp,Ts,Tstr>