ENH: Added example - evaluation of external data and saving of results into the other file.

src/examples/simulator.cpp

@@ -156,24 +156,34 @@ int main(int argc, char** argv){
         ds.de_normalize_single(expected_output_norm, expected_output);
 
         /* Evaluate network on an arbitrary data-set and save results into the file */
-        l4n::DataSet ds2;
-
-        std::vector<double> inp, out;
-        for(double i = 0; i < 5; i++) {
-            inp = {i};
-            out = {i+2};
-
-            ds2.add_data_pair(inp, out);
-        }
+        l4n::CSVReader reader2("/home/martin/Desktop/vstup_pozadovany_vystup.txt", "\t");
+        reader2.read();
+        std::vector<unsigned int> inp_indices = {0};
+        std::vector<unsigned int> out_indices = {1};
+        l4n::DataSet ds2 = reader2.get_data_set(&inp_indices, &out_indices);
+        std::ofstream output_file_2("eval_output.txt");
+
+//        std::vector<double> inp, out;
+//        for(double i = 0; i < 5; i++) {
+//            inp = {i};
+//            out = {i+2};
+//
+//            ds2.add_data_pair(inp, out);
+//        }
 
-        output_file << std::endl << "Evaluating network on the dataset: " << std::endl;
-        ds2.store_data_text(&output_file);
+//        output_file << std::endl << "Evaluating network on the dataset: " << std::endl;
+        output_file_2 << std::endl << "Evaluating network on the dataset: " << std::endl;
+//        ds2.store_data_text(&output_file);
+        ds2.store_data_text(&output_file_2);
 
-        output_file << "Output and the error:" << std::endl;
-        mse.eval_on_data_set(&ds2, &output_file);
+//        output_file << "Output and the error:" << std::endl;
+        output_file_2 << std::endl << "Evaluating network on the dataset: " << std::endl;
+//        mse.eval_on_data_set(&ds2, &output_file);
+        mse.eval_on_data_set(&ds2, &output_file_2);
 
         /* Close the output file for writing */
         output_file.close();
+        output_file_2.close();
 
         return 0;