diff --git a/RScripts/selemix/IS2_selemix.R b/RScripts/selemix/IS2_selemix.R
index 49502b29..c1f99b8c 100644
--- a/RScripts/selemix/IS2_selemix.R
+++ b/RScripts/selemix/IS2_selemix.R
@@ -93,7 +93,7 @@ library("SeleMix")
 #stima completa
 is2_mlest <- function(workset,params, s=S,x=X,y=Y,z=Z, ...) {
   #environment check
-     print(class(params))
+     print(params)
     print("----")
    print(x)
     print("----")
diff --git a/src/main/java/it/istat/is2/app/service/AdministrationService.java b/src/main/java/it/istat/is2/app/service/AdministrationService.java
new file mode 100644
index 00000000..8a227034
--- /dev/null
+++ b/src/main/java/it/istat/is2/app/service/AdministrationService.java
@@ -0,0 +1,45 @@
+/**
+ * Copyright 2019 ISTAT
+ *
+ * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence. You may
+ * obtain a copy of the Licence at:
+ *
+ * http://ec.europa.eu/idabc/eupl5
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * Licence for the specific language governing permissions and limitations under
+ * the Licence.
+ *
+ * @author Francesco Amato <framato @ istat.it>
+ * @author Mauro Bruno <mbruno @ istat.it>
+ * @author Paolo Francescangeli  <pafrance @ istat.it>
+ * @author Renzo Iannacone <iannacone @ istat.it>
+ * @author Stefano Macone <macone @ istat.it>
+ * @version 1.0
+ */
+package it.istat.is2.app.service;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AdministrationService {
+	
+	@Value("${path.script.R}")
+	private String pathR;
+	
+	@Value("${RServe.file.start}")
+	private String startRServe;
+
+	public void startR() throws IOException {
+ 	 		Process process = Runtime.getRuntime().exec("cmd /c "+startRServe, null, new File(pathR));
+	 
+	}
+}
diff --git a/src/main/java/it/istat/is2/workflow/engine/EngineR.java b/src/main/java/it/istat/is2/workflow/engine/EngineR.java
index cf603c1f..e9495dca 100644
--- a/src/main/java/it/istat/is2/workflow/engine/EngineR.java
+++ b/src/main/java/it/istat/is2/workflow/engine/EngineR.java
@@ -141,7 +141,7 @@ public void init(DataProcessing dataProcessing, StepInstance stepInstance) throw
 		prepareEnv();
 		createConnection(serverRHost, serverRPort);
 		bindInputColumns(worksetVariabili, EngineR.IS2_WORKSET);
-	    bindInputColumns(parametriMap, EngineR.IS2_PARAMETRI);
+		bindInputColumnsParams(parametriMap, EngineR.IS2_PARAMETRI);
 		bindInputColumns(ruleset, EngineR.IS2_RULESET);
 		setRuoli(ruoliVariabileNome);
 
@@ -218,6 +218,40 @@ public void bindInputColumns(LinkedHashMap<String, ArrayList<String>> workset, S
 		}
 	}
 
+	
+	public void bindInputColumnsParams(LinkedHashMap<String, ArrayList<String>> workset, String varR)
+			throws REngineException {
+
+		if (!workset.isEmpty()) {
+			List<String> keys = new ArrayList<String>(workset.keySet());
+			String listaCampi = "";
+			String listaCampiLabel = "";
+			int size = keys.size();
+			String key = "";
+		
+			for (int i = 0; i < size; i++) {
+				key = keys.get(i);
+				
+				String[] arrX = workset.get(key).toArray(new String[workset.get(key).size()]);
+				listaCampi += key + ",";
+				listaCampiLabel += "'" + key + "',";
+				connection.assign(key, arrX);
+			}
+			listaCampi = listaCampi.substring(0, listaCampi.length() - 1);
+			listaCampiLabel = listaCampiLabel.substring(0, listaCampiLabel.length() - 1);
+			connection.eval(varR + " <- c(" + listaCampi + ")");
+
+			// assegnazione nome dei campi alle colonne
+
+			String namecols = ((size > 1) ? "col" : "") + "names(" + varR + ") = c(" + listaCampiLabel + ")";
+			// String exec = "colnames(" + varR + ") = c(" + listaCampi + ")";
+			Logger.getRootLogger().debug("Bind input columns names " + namecols);
+			connection.eval(namecols);
+
+		}
+	}
+
+	
 	 
 	private boolean isNumeric(String[] arrX) {
 		// TODO Auto-generated method stub
diff --git a/src/main/resources/templates/admin/home.html b/src/main/resources/templates/admin/home.html
new file mode 100644
index 00000000..77b9101e
--- /dev/null
+++ b/src/main/resources/templates/admin/home.html
@@ -0,0 +1,58 @@
+<!-- 
+ Copyright 2019 ISTAT
+
+ Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ the European Commission - subsequent versions of the EUPL (the "Licence");
+ You may not use this work except in compliance with the Licence. You may
+ obtain a copy of the Licence at:
+
+ http://ec.europa.eu/idabc/eupl5
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ Licence for the specific language governing permissions and limitations under
+ the Licence.
+
+ @author Francesco Amato <framato @ istat.it>
+ @author Mauro Bruno <mbruno @ istat.it>
+ @author Paolo Francescangeli  <pafrance @ istat.it>
+ @author Renzo Iannacone <iannacone @ istat.it>
+ @author Stefano Macone <macone @ istat.it>
+ @version 1.0
+-->
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
+    <head>
+        <head th:include="layout :: site-head" th:remove="tag" />
+        
+       
+    </head>
+    <body class="app header-fixed sidebar-fixed aside-menu-fixed sidebar-lg-show">
+        <header th:replace="layout :: site-header"></header>
+        <!-- Body -->
+        <div class="app-body">
+            <aside th:replace="layout :: site-modals"></aside>
+            <aside th:replace="layout :: site-aside"></aside>
+            <!-- Main container -->
+            <main class="main">
+                <!-- Breadcrumb-->
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item">
+                        <a th:href="@{/}">Home</a>
+                    </li>
+                    
+                </ol>
+                <div class="container-fluid">
+                    <div class="animated fadeIn">
+                           <a th:href="@{/startr}">Start R</a>
+                    </div>
+                </div>
+            </main>
+        </div>
+        <!-- End body -->
+        <footer th:replace="layout :: site-footer" />
+
+ 
+    </body>
+</html>