diff --git a/CMakeLists.txt b/CMakeLists.txt
index c53a3a2..a187279 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,6 +55,7 @@ endif (ENABLE_CLANG_TIDY)
 add_git_submodule("lib/mdlp")
 add_git_submodule("lib/argparse")
 add_git_submodule("lib/json")
+add_git_submodule("lib/openXLSX")
 
 # Subdirectories
 # --------------
diff --git a/lib/openXLSX b/lib/openXLSX
new file mode 160000
index 0000000..b80da42
--- /dev/null
+++ b/lib/openXLSX
@@ -0,0 +1 @@
+Subproject commit b80da42d1454f361c29117095ebe1989437db390
diff --git a/src/BayesNet/BoostAODE.cc b/src/BayesNet/BoostAODE.cc
index 80fd20c..a7d5e5c 100644
--- a/src/BayesNet/BoostAODE.cc
+++ b/src/BayesNet/BoostAODE.cc
@@ -10,6 +10,9 @@ namespace bayesnet {
     }
     void BoostAODE::setHyperparameters(nlohmann::json& hyperparameters)
     {
+        // Check if hyperparameters are valid
+        const vector<string> validKeys = { "repeatSparent", "maxModels", "ascending" };
+        checkHyperparameters(validKeys, hyperparameters);
         if (hyperparameters.contains("repeatSparent")) {
             repeatSparent = hyperparameters["repeatSparent"];
         }
@@ -74,7 +77,7 @@ namespace bayesnet {
             // Step 3.4: Store classifier and its accuracy to weigh its future vote
             models.push_back(std::move(model));
             significanceModels.push_back(significance);
-            exitCondition = n_models == maxModels;
+            exitCondition = n_models == maxModels && repeatSparent;
         }
         if (featuresUsed.size() != features.size()) {
             cout << "Warning: BoostAODE did not use all the features" << endl;
diff --git a/src/BayesNet/Classifier.cc b/src/BayesNet/Classifier.cc
index ff25657..db4a63f 100644
--- a/src/BayesNet/Classifier.cc
+++ b/src/BayesNet/Classifier.cc
@@ -152,4 +152,12 @@ namespace bayesnet {
     {
         model.dump_cpt();
     }
+    void Classifier::checkHyperparameters(const vector<string>& validKeys, nlohmann::json& hyperparameters)
+    {
+        for (const auto& item : hyperparameters.items()) {
+            if (find(validKeys.begin(), validKeys.end(), item.key()) == validKeys.end()) {
+                throw invalid_argument("Hyperparameter " + item.key() + " is not valid");
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/BayesNet/Classifier.h b/src/BayesNet/Classifier.h
index 0c2940b..d27e486 100644
--- a/src/BayesNet/Classifier.h
+++ b/src/BayesNet/Classifier.h
@@ -24,6 +24,7 @@ namespace bayesnet {
         void checkFitParameters();
         virtual void buildModel(const torch::Tensor& weights) = 0;
         void trainModel(const torch::Tensor& weights) override;
+        void checkHyperparameters(const vector<string>& validKeys, nlohmann::json& hyperparameters);
     public:
         Classifier(Network model);
         virtual ~Classifier() = default;
diff --git a/src/Platform/CMakeLists.txt b/src/Platform/CMakeLists.txt
index 78c6615..ae295c9 100644
--- a/src/Platform/CMakeLists.txt
+++ b/src/Platform/CMakeLists.txt
@@ -4,9 +4,9 @@ include_directories(${BayesNet_SOURCE_DIR}/lib/Files)
 include_directories(${BayesNet_SOURCE_DIR}/lib/mdlp)
 include_directories(${BayesNet_SOURCE_DIR}/lib/argparse/include)
 include_directories(${BayesNet_SOURCE_DIR}/lib/json/include)
-add_executable(main main.cc Folding.cc platformUtils.cc Experiment.cc Datasets.cc Models.cc Report.cc)
-add_executable(manage manage.cc Results.cc Report.cc)
+add_executable(main main.cc Folding.cc platformUtils.cc Experiment.cc Datasets.cc Models.cc ReportConsole.cc ReportBase.cc)
+add_executable(manage manage.cc Results.cc ReportConsole.cc ReportExcel.cc ReportBase.cc)
 add_executable(list list.cc platformUtils Datasets.cc)
 target_link_libraries(main BayesNet ArffFiles mdlp "${TORCH_LIBRARIES}")
-target_link_libraries(manage "${TORCH_LIBRARIES}")
+target_link_libraries(manage "${TORCH_LIBRARIES}" OpenXLSX::OpenXLSX)
 target_link_libraries(list ArffFiles mdlp "${TORCH_LIBRARIES}")
\ No newline at end of file
diff --git a/src/Platform/Experiment.cc b/src/Platform/Experiment.cc
index 88e3125..09674ab 100644
--- a/src/Platform/Experiment.cc
+++ b/src/Platform/Experiment.cc
@@ -1,7 +1,7 @@
 #include "Experiment.h"
 #include "Datasets.h"
 #include "Models.h"
-#include "Report.h"
+#include "ReportConsole.h"
 
 namespace platform {
     using json = nlohmann::json;
@@ -91,7 +91,7 @@ namespace platform {
     void Experiment::report()
     {
         json data = build_json();
-        Report report(data);
+        ReportConsole report(data);
         report.show();
     }
 
@@ -181,11 +181,11 @@ namespace platform {
                 item++;
             }
             cout << "end. " << flush;
-            delete fold;
         }
         result.setScoreTest(torch::mean(accuracy_test).item<double>()).setScoreTrain(torch::mean(accuracy_train).item<double>());
         result.setScoreTestStd(torch::std(accuracy_test).item<double>()).setScoreTrainStd(torch::std(accuracy_train).item<double>());
         result.setTrainTime(torch::mean(train_time).item<double>()).setTestTime(torch::mean(test_time).item<double>());
+        result.setTestTimeStd(torch::std(test_time).item<double>()).setTrainTimeStd(torch::std(train_time).item<double>());
         result.setNodes(torch::mean(nodes).item<double>()).setLeaves(torch::mean(edges).item<double>()).setDepth(torch::mean(num_states).item<double>());
         result.setDataset(fileName);
         addResult(result);
diff --git a/src/Platform/Paths.h b/src/Platform/Paths.h
index fdda25a..b19b09f 100644
--- a/src/Platform/Paths.h
+++ b/src/Platform/Paths.h
@@ -6,6 +6,7 @@ namespace platform {
     public:
         static std::string datasets() { return "datasets/"; }
         static std::string results() { return "results/"; }
+        static std::string excel() { return "excel/"; }
     };
 }
 #endif
\ No newline at end of file
diff --git a/src/Platform/Report.h b/src/Platform/Report.h
deleted file mode 100644
index 105785f..0000000
--- a/src/Platform/Report.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef REPORT_H
-#define REPORT_H
-#include <string>
-#include <iostream>
-#include <nlohmann/json.hpp>
-#include "Colors.h"
-
-using json = nlohmann::json;
-const int MAXL = 128;
-namespace platform {
-    using namespace std;
-    class Report {
-    public:
-        explicit Report(json data_) { data = data_; };
-        virtual ~Report() = default;
-        void show();
-    private:
-        void header();
-        void body();
-        void footer();
-        string fromVector(const string& key);
-        json data;
-        double totalScore; // Total score of all results in a report
-    };
-};
-#endif
\ No newline at end of file
diff --git a/src/Platform/ReportBase.cc b/src/Platform/ReportBase.cc
new file mode 100644
index 0000000..24125f8
--- /dev/null
+++ b/src/Platform/ReportBase.cc
@@ -0,0 +1,37 @@
+#include <sstream>
+#include <locale>
+#include "ReportBase.h"
+#include "BestResult.h"
+
+
+namespace platform {
+    string ReportBase::fromVector(const string& key)
+    {
+        stringstream oss;
+        string sep = "";
+        oss << "[";
+        for (auto& item : data[key]) {
+            oss << sep << item.get<double>();
+            sep = ", ";
+        }
+        oss << "]";
+        return oss.str();
+    }
+    string ReportBase::fVector(const string& title, const json& data, const int width, const int precision)
+    {
+        stringstream oss;
+        string sep = "";
+        oss << title << "[";
+        for (const auto& item : data) {
+            oss << sep << fixed << setw(width) << setprecision(precision) << item.get<double>();
+            sep = ", ";
+        }
+        oss << "]";
+        return oss.str();
+    }
+    void ReportBase::show()
+    {
+        header();
+        body();
+    }
+}
\ No newline at end of file
diff --git a/src/Platform/ReportBase.h b/src/Platform/ReportBase.h
new file mode 100644
index 0000000..2acbbc7
--- /dev/null
+++ b/src/Platform/ReportBase.h
@@ -0,0 +1,23 @@
+#ifndef REPORTBASE_H
+#define REPORTBASE_H
+#include <string>
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+namespace platform {
+    using namespace std;
+    class ReportBase {
+    public:
+        explicit ReportBase(json data_) { data = data_; };
+        virtual ~ReportBase() = default;
+        void show();
+    protected:
+        json data;
+        string fromVector(const string& key);
+        string fVector(const string& title, const json& data, const int width, const int precision);
+        virtual void header() = 0;
+        virtual void body() = 0;
+    };
+};
+#endif
\ No newline at end of file
diff --git a/src/Platform/Report.cc b/src/Platform/ReportConsole.cc
similarity index 81%
rename from src/Platform/Report.cc
rename to src/Platform/ReportConsole.cc
index 5690668..2e3ed0c 100644
--- a/src/Platform/Report.cc
+++ b/src/Platform/ReportConsole.cc
@@ -1,52 +1,24 @@
 #include <sstream>
 #include <locale>
-#include "Report.h"
+#include "ReportConsole.h"
 #include "BestResult.h"
 
 
 namespace platform {
-    string headerLine(const string& text)
-    {
-        int n = MAXL - text.length() - 3;
-        n = n < 0 ? 0 : n;
-        return "* " + text + string(n, ' ') + "*\n";
-    }
-    string Report::fromVector(const string& key)
-    {
-        stringstream oss;
-        string sep = "";
-        oss << "[";
-        for (auto& item : data[key]) {
-            oss << sep << item.get<double>();
-            sep = ", ";
-        }
-        oss << "]";
-        return oss.str();
-    }
-    string fVector(const string& title, const json& data, const int width, const int precision)
-    {
-        stringstream oss;
-        string sep = "";
-        oss << title << "[";
-        for (const auto& item : data) {
-            oss << sep << fixed << setw(width) << setprecision(precision) << item.get<double>();
-            sep = ", ";
-        }
-        oss << "]";
-        return oss.str();
-    }
-    void Report::show()
-    {
-        header();
-        body();
-        footer();
-    }
     struct separated : numpunct<char> {
         char do_decimal_point() const { return ','; }
         char do_thousands_sep() const { return '.'; }
         string do_grouping() const { return "\03"; }
     };
-    void Report::header()
+    
+    string ReportConsole::headerLine(const string& text)
+    {
+        int n = MAXL - text.length() - 3;
+        n = n < 0 ? 0 : n;
+        return "* " + text + string(n, ' ') + "*\n";
+    }
+    
+    void ReportConsole::header()
     {
         locale mylocale(cout.getloc(), new separated);
         locale::global(mylocale);
@@ -62,12 +34,12 @@ namespace platform {
         cout << string(MAXL, '*') << endl;
         cout << endl;
     }
-    void Report::body()
+    void ReportConsole::body()
     {
         cout << Colors::GREEN() << "Dataset                        Sampl. Feat. Cls Nodes     Edges     States    Score           Time               Hyperparameters" << endl;
         cout << "============================== ====== ===== === ========= ========= ========= =============== ================== ===============" << endl;
         json lastResult;
-        totalScore = 0;
+        double totalScore = 0.0;
         bool odd = true;
         for (const auto& r : data["results"]) {
             auto color = odd ? Colors::CYAN() : Colors::BLUE();
@@ -98,9 +70,11 @@ namespace platform {
             cout << headerLine(fVector("Train  times: ", lastResult["times_train"], 10, 3));
             cout << headerLine(fVector("Test   times: ", lastResult["times_test"], 10, 3));
             cout << string(MAXL, '*') << endl;
+        } else {
+            footer(totalScore);
         }
     }
-    void Report::footer()
+    void ReportConsole::footer(double totalScore)
     {
         cout << Colors::MAGENTA() << string(MAXL, '*') << endl;
         auto score = data["score_name"].get<string>();
@@ -110,6 +84,5 @@ namespace platform {
             cout << headerLine(oss.str());
         }
         cout << string(MAXL, '*') << endl << Colors::RESET();
-
     }
 }
\ No newline at end of file
diff --git a/src/Platform/ReportConsole.h b/src/Platform/ReportConsole.h
new file mode 100644
index 0000000..5c795b7
--- /dev/null
+++ b/src/Platform/ReportConsole.h
@@ -0,0 +1,22 @@
+#ifndef REPORTCONSOLE_H
+#define REPORTCONSOLE_H
+#include <string>
+#include <iostream>
+#include "ReportBase.h"
+#include "Colors.h"
+
+namespace platform {
+    using namespace std;
+    const int MAXL = 128;
+    class ReportConsole : public ReportBase{
+    public:
+        explicit ReportConsole(json data_) : ReportBase(data_) {};
+        virtual ~ReportConsole() = default;
+    private:
+        string headerLine(const string& text);
+        void header() override;
+        void body() override;
+        void footer(double totalScore);
+    };
+};
+#endif
\ No newline at end of file
diff --git a/src/Platform/ReportExcel.cc b/src/Platform/ReportExcel.cc
new file mode 100644
index 0000000..bb51dfb
--- /dev/null
+++ b/src/Platform/ReportExcel.cc
@@ -0,0 +1,109 @@
+#include <sstream>
+#include <locale>
+#include "ReportExcel.h"
+#include "BestResult.h"
+
+
+namespace platform {
+    struct separated : numpunct<char> {
+        char do_decimal_point() const { return ','; }
+
+        char do_thousands_sep() const { return '.'; }
+
+        string do_grouping() const { return "\03"; }
+    };
+
+    void ReportExcel::createFile()
+    {
+        doc.create(Paths::excel() + "some_results.xlsx");
+        wks = doc.workbook().worksheet("Sheet1");
+        wks.setName(data["model"].get<string>());
+    }
+
+    void ReportExcel::closeFile()
+    {
+        doc.save();
+        doc.close();
+    }
+
+    void ReportExcel::header()
+    {
+        locale mylocale(cout.getloc(), new separated);
+        locale::global(mylocale);
+        cout.imbue(mylocale);
+        stringstream oss;
+        wks.cell("A1").value().set(
+            "Report " + data["model"].get<string>() + " ver. " + data["version"].get<string>() + " with " +
+            to_string(data["folds"].get<int>()) + " Folds cross validation and " + to_string(data["seeds"].size()) +
+            " random seeds. " + data["date"].get<string>() + " " + data["time"].get<string>());
+        wks.cell("A2").value() = data["title"].get<string>();
+        wks.cell("A3").value() = "Random seeds: " + fromVector("seeds") + " Stratified: " +
+            (data["stratified"].get<bool>() ? "True" : "False");
+        oss << "Execution took  " << setprecision(2) << fixed << data["duration"].get<float>() << " seconds,   "
+            << data["duration"].get<float>() / 3600 << " hours, on " << data["platform"].get<string>();
+        wks.cell("A4").value() = oss.str();
+        wks.cell("A5").value() = "Score is " + data["score_name"].get<string>();
+    }
+
+    void ReportExcel::body()
+    {
+        auto header = vector<string>(
+            { "Dataset", "Samples", "Features", "Classes", "Nodes", "Edges", "States", "Score", "Score Std.", "Time",
+             "Time Std.", "Hyperparameters" });
+        int col = 1;
+        for (const auto& item : header) {
+            wks.cell(8, col++).value() = item;
+        }
+        int row = 9;
+        col = 1;
+        json lastResult;
+        double totalScore = 0.0;
+        string hyperparameters;
+        for (const auto& r : data["results"]) {
+            wks.cell(row, col).value() = r["dataset"].get<string>();
+            wks.cell(row, col + 1).value() = r["samples"].get<int>();
+            wks.cell(row, col + 2).value() = r["features"].get<int>();
+            wks.cell(row, col + 3).value() = r["classes"].get<int>();
+            wks.cell(row, col + 4).value() = r["nodes"].get<float>();
+            wks.cell(row, col + 5).value() = r["leaves"].get<float>();
+            wks.cell(row, col + 6).value() = r["depth"].get<float>();
+            wks.cell(row, col + 7).value() = r["score"].get<double>();
+            wks.cell(row, col + 8).value() = r["score_std"].get<double>();
+            wks.cell(row, col + 9).value() = r["time"].get<double>();
+            wks.cell(row, col + 10).value() = r["time_std"].get<double>();
+            try {
+                hyperparameters = r["hyperparameters"].get<string>();
+            }
+            catch (const exception& err) {
+                stringstream oss;
+                oss << r["hyperparameters"];
+                hyperparameters = oss.str();
+            }
+            wks.cell(row, col + 11).value() = hyperparameters;
+            lastResult = r;
+            totalScore += r["score"].get<double>();
+            row++;
+        }
+        if (data["results"].size() == 1) {
+            for (const string& group : { "scores_train", "scores_test", "times_train", "times_test" }) {
+                row++;
+                col = 1;
+                wks.cell(row, col).value() = group;
+                for (double item : lastResult[group]) {
+                    wks.cell(row, ++col).value() = item;
+                }
+            }
+        } else {
+            footer(totalScore, row);
+        }
+    }
+
+    void ReportExcel::footer(double totalScore, int row)
+    {
+        auto score = data["score_name"].get<string>();
+        if (score == BestResult::scoreName()) {
+            wks.cell(row + 2, 1).value() = score + " compared to " + BestResult::title() + " .:  ";
+            wks.cell(row + 2, 5).value() = totalScore / BestResult::score();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Platform/ReportExcel.h b/src/Platform/ReportExcel.h
new file mode 100644
index 0000000..3700681
--- /dev/null
+++ b/src/Platform/ReportExcel.h
@@ -0,0 +1,25 @@
+#ifndef REPORTEXCEL_H
+#define REPORTEXCEL_H
+#include <OpenXLSX.hpp>
+#include "ReportBase.h"
+#include "Paths.h"
+#include "Colors.h"
+namespace platform {
+    using namespace std;
+    using namespace OpenXLSX;
+    const int MAXLL = 128;
+    class ReportExcel : public ReportBase{
+    public:
+        explicit ReportExcel(json data_) : ReportBase(data_) {createFile();};
+        virtual ~ReportExcel() {closeFile();};
+    private:
+        void createFile();
+        void closeFile();
+        XLDocument doc;
+        XLWorksheet wks;
+        void header() override;
+        void body() override;
+        void footer(double totalScore, int row);
+    };
+};
+#endif // !REPORTEXCEL_H
\ No newline at end of file
diff --git a/src/Platform/Results.cc b/src/Platform/Results.cc
index 818f51e..0440bc1 100644
--- a/src/Platform/Results.cc
+++ b/src/Platform/Results.cc
@@ -1,7 +1,8 @@
 #include <filesystem>
 #include "platformUtils.h"
 #include "Results.h"
-#include "Report.h"
+#include "ReportConsole.h"
+#include "ReportExcel.h"
 #include "BestResult.h"
 #include "Colors.h"
 namespace platform {
@@ -94,21 +95,26 @@ namespace platform {
         cout << "Invalid index" << endl;
         return -1;
     }
-    void Results::report(const int index) const
+    void Results::report(const int index, const bool excelReport) const
     {
         cout << Colors::YELLOW() << "Reporting " << files.at(index).getFilename() << endl;
         auto data = files.at(index).load();
-        Report report(data);
-        report.show();
+        if (excelReport) {
+            ReportExcel report(data);
+            report.show();
+        } else {
+            ReportConsole report(data);
+            report.show();
+        }
     }
     void Results::menu()
     {
         char option;
         int index;
         bool finished = false;
-        string filename, line, options = "qldhsr";
+        string filename, line, options = "qldhsre";
         while (!finished) {
-            cout << Colors::RESET() << "Choose option (quit='q', list='l', delete='d', hide='h', sort='s', report='r'): ";
+            cout << Colors::RESET() << "Choose option (quit='q', list='l', delete='d', hide='h', sort='s', report='r', excel='e'): ";
             getline(cin, line);
             if (line.size() == 0)
                 continue;
@@ -119,12 +125,14 @@ namespace platform {
                 }
                 option = line[0];
             } else {
-                index = stoi(line);
-                if (index >= 0 && index < files.size()) {
-                    report(index);
-                } else {
-                    cout << "Invalid option" << endl;
+                if (all_of(line.begin(), line.end(), ::isdigit)) {
+                    index = stoi(line);
+                    if (index >= 0 && index < files.size()) {
+                        report(index, false);
+                        continue;
+                    }
                 }
+                cout << "Invalid option" << endl;
                 continue;
             }
             switch (option) {
@@ -164,7 +172,13 @@ namespace platform {
                     index = getIndex("report");
                     if (index == -1)
                         break;
-                    report(index);
+                    report(index, false);
+                    break;
+                case 'e':
+                    index = getIndex("excel");
+                    if (index == -1)
+                        break;
+                    report(index, true);
                     break;
                 default:
                     cout << "Invalid option" << endl;
diff --git a/src/Platform/Results.h b/src/Platform/Results.h
index e6b1552..39f3c55 100644
--- a/src/Platform/Results.h
+++ b/src/Platform/Results.h
@@ -42,7 +42,7 @@ namespace platform {
         vector<Result> files;
         void load(); // Loads the list of results
         void show() const;
-        void report(const int index) const;
+        void report(const int index, const bool excelReport) const;
         int getIndex(const string& intent) const;
         void menu();
         void sortList();