diff --git a/src/app/home/home.component.ts b/src/app/home/home.component.ts
index 792bf95..7031895 100644
--- a/src/app/home/home.component.ts
+++ b/src/app/home/home.component.ts
@@ -1,8 +1,7 @@
 import { Component, OnInit } from '@angular/core';
-import {LoginService} from '../services/login.service';
+import { LoginService } from '../services/login.service';
 import { ApiService } from '../services/api.service';
-import {Chart} from 'chart.js';
-
+import { Chart } from 'chart.js';
 
 
 interface KeyInterface {
@@ -30,8 +29,7 @@ export class HomeComponent implements OnInit {
   ngOnInit() {
     // fetch all available groups  
     this.fetchData('/material/groups', data => this.createGroup(data));
-    //this.initChart();
-    console.log(this.login.username);
+    //console.log(this.login.username);
   }
 
   // api access with callback
@@ -46,12 +44,12 @@ export class HomeComponent implements OnInit {
     let temp: KeyInterface[] = [];
 
     for (var i = 0; i < data.length; i++) {
-      temp.push({ id: data[i], count: 0, active: false });
+      temp.push({ id: data[i], count: 0, active: true });
     }
     this.keys = temp; // invoke update in rb-multiselect
     this.calcFieldSelectKeys();
     // fetch all samples populated with according group
-    this.fetchData('/samples?status%5B%5D=validated&status=new&page-size=10&sort=_id-asc&fields%5B%5D=material.group', data => this.countSamples(data));
+    this.fetchData('/samples?status%5B%5D=validated&status=new&sort=_id-asc&fields%5B%5D=material.group', data => this.countSamples(data));
   }
 
   // loop through samples and count
@@ -95,7 +93,7 @@ export class HomeComponent implements OnInit {
         dataList.push(key.count);
       }
     })
-    return { names: nameList, data: dataList };
+    return { names: nameList, count: dataList };
   }
 
   // draw graph
@@ -118,9 +116,10 @@ export class HomeComponent implements OnInit {
           labels: data.names,
           datasets: [{
             label: 'Number of samples per group',
-            data: data.data,
+            data: data.count,
             backgroundColor: fillPattern,
-            borderWidth: 2
+            pointRadius: 4,
+            pointHoverRadius: 7
           }]
         },
         options: {