diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index b3d8a75..48598f8 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -32,6 +32,7 @@ import { ServiceWorkerModule } from '@angular/service-worker';
 import { environment } from '../environments/environment';
 import { HelpComponent } from './help/help.component';
 import { ModelTemplatesComponent } from './model-templates/model-templates.component';
+import { SizePipe } from './size.pipe';
 
 @NgModule({
   declarations: [
@@ -54,7 +55,8 @@ import { ModelTemplatesComponent } from './model-templates/model-templates.compo
     DocumentationDatabaseComponent,
     PredictionComponent,
     HelpComponent,
-    ModelTemplatesComponent
+    ModelTemplatesComponent,
+    SizePipe
   ],
   imports: [
     LocalStorageModule.forRoot({
diff --git a/src/app/model-templates/model-templates.component.html b/src/app/model-templates/model-templates.component.html
index 89fb48b..6fb2fac 100644
--- a/src/app/model-templates/model-templates.component.html
+++ b/src/app/model-templates/model-templates.component.html
@@ -15,9 +15,6 @@
     <ng-template rbFormValidationMessage="failure">{{nameInput.errors.failure}}</ng-template>
     <ng-template rbFormValidationMessage="required">Cannot be empty</ng-template>
   </rb-form-input>
-  <rb-form-input name="label" label="label" appValidate="string" [(ngModel)]="model.label" #labelInput="ngModel">
-    <ng-template rbFormValidationMessage="failure">{{labelInput.errors.failure}}</ng-template>
-  </rb-form-input>
   <rb-form-input name="url" label="URL" appValidate="url" required [(ngModel)]="model.url" #urlInput="ngModel">
     <ng-template rbFormValidationMessage="failure">{{urlInput.errors.failure}}</ng-template>
     <ng-template rbFormValidationMessage="required">Cannot be empty</ng-template>
@@ -28,10 +25,9 @@
   </rb-icon-button>
 </form>
 
-<rb-table class="space-above">
+<rb-table class="space-above space-below">
   <tr>
     <th>Name</th>
-    <th>Label</th>
     <th>URL</th>
     <th></th>
     <th></th>
@@ -41,7 +37,6 @@
     <tr><th>{{group.group}}</th><th></th><th></th><th></th><th></th></tr>
     <tr *ngFor="let modelItem of group.models">
       <td>{{modelItem.name}}</td>
-      <td>{{modelItem.label}}</td>
       <td>{{modelItem.url}}</td>
       <td>
         <span class="rb-ic rb-ic-edit clickable"
@@ -54,14 +49,27 @@
       </td>
       <td>
         <span class="rb-ic rb-ic-delete clickable"
-              (click)="deleteModel(group.group, modelItem.name, modalDeleteConfirm)"></span>
+              (click)="delete(modalDeleteConfirm, modelItem.name, group.group)"></span>
       </td>
     </tr>
   </ng-container>
 </rb-table>
 
+<rb-table>
+  <tr>
+    <th>Model files</th>
+    <th></th>
+    <th></th>
+  </tr>
+  <tr *ngFor="let file of d.arr.modelFiles">
+    <td>{{file.name}}</td>
+    <td>{{file.size | size:'M'}}</td>
+    <td><span class="rb-ic rb-ic-delete clickable" (click)="delete(modalDeleteConfirm, file.name)"></span></td>
+  </tr>
+</rb-table>
+
 <ng-template #modalDeleteConfirm>
   <rb-alert alertTitle="Are you sure?" type="danger" okBtnLabel="Delete model" cancelBtnLabel="Cancel">
-    Do you really want to delete this model?
+    Do you really want to delete?
   </rb-alert>
 </ng-template>
diff --git a/src/app/model-templates/model-templates.component.ts b/src/app/model-templates/model-templates.component.ts
index 8af9457..bab3aee 100644
--- a/src/app/model-templates/model-templates.component.ts
+++ b/src/app/model-templates/model-templates.component.ts
@@ -35,13 +35,14 @@ export class ModelTemplatesComponent implements OnInit {
     this.d.load('modelGroups', () => {
       this.groups = this.d.arr.modelGroups.map(e => e.group);
     });
+    this.d.load('modelFiles');
   }
 
   saveModel() {
     console.log(this.modelGroup);
     console.log(this.oldModelGroup);
     if (this.oldModelGroup !== '' && this.modelGroup !== this.oldModelGroup) {  // group was changed, delete model in old group
-      this.deleteModel(this.oldModelGroup, this.oldModelName);
+      this.deleteModel(null, this.oldModelGroup, this.oldModelName);
     }
     this.api.post('/model/' + this.modelGroup, this.model, () => {
       this.newModel = false;
@@ -53,7 +54,7 @@ export class ModelTemplatesComponent implements OnInit {
     });
   }
 
-  deleteModel(group, name, modal = null) {
+  delete(modal, name, group = null) {
     new Promise(resolve => {
       if (modal) {
         this.modal.open(modal).then(result => {
@@ -65,9 +66,16 @@ export class ModelTemplatesComponent implements OnInit {
       }
     }).then(res => {
       if (res) {
-        this.api.delete(`/model/${group}/${name}`, () => {
-          this.loadGroups();
-        });
+        if (group) {  // delete group
+          this.api.delete(`/model/${group}/${name}`, () => {
+            this.loadGroups();
+          });
+        }
+        else {  // delete file
+          this.api.delete(`/model/file/${name}`, () => {
+            this.d.arr.modelFiles.splice(this.d.arr.modelFiles.findIndex(e => e.name === name), 1);
+          });
+        }
       }
     });
   }
diff --git a/src/app/models/model-file.model.spec.ts b/src/app/models/model-file.model.spec.ts
new file mode 100644
index 0000000..6b1f9f3
--- /dev/null
+++ b/src/app/models/model-file.model.spec.ts
@@ -0,0 +1,7 @@
+import { ModelFileModel } from './model-file.model';
+
+describe('ModelFile.Model', () => {
+  it('should create an instance', () => {
+    expect(new ModelFileModel()).toBeTruthy();
+  });
+});
diff --git a/src/app/models/model-file.model.ts b/src/app/models/model-file.model.ts
new file mode 100644
index 0000000..4235376
--- /dev/null
+++ b/src/app/models/model-file.model.ts
@@ -0,0 +1,6 @@
+import {BaseModel} from './base.model';
+
+export class ModelFileModel extends BaseModel {
+  name = '';
+  size = 0;
+}
diff --git a/src/app/models/model-item.model.ts b/src/app/models/model-item.model.ts
index 4c3c5d7..86f8302 100644
--- a/src/app/models/model-item.model.ts
+++ b/src/app/models/model-item.model.ts
@@ -4,7 +4,6 @@ export class ModelItemModel extends BaseModel {
   group = '';
   models = [{
     name: '',
-    url: '',
-    label: ''
+    url: ''
   }];
 }
diff --git a/src/app/prediction/prediction.component.html b/src/app/prediction/prediction.component.html
index cce80cd..46a4359 100644
--- a/src/app/prediction/prediction.component.html
+++ b/src/app/prediction/prediction.component.html
@@ -13,21 +13,17 @@
 <div *ngIf="result" class="result" [@inOut]>
   <ng-container *ngIf="multipleSamples; else singleSampleResult">
     <h4 *ngFor="let prediction of result.predictions; index as i">
-      {{spectrumNames[i]}}: {{prediction}}&nbsp;{{activeGroup.models[activeModelIndex].label}}
-      <a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
+      {{spectrumNames[i]}}: {{prediction}}<a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
     </h4>
   </ng-container>
   <ng-template #singleSampleResult>
     <h4>
-      Average result: {{result.meanPrediction}}&nbsp;{{activeGroup.models[activeModelIndex].label}}
-      <a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>,
-      standard deviation: {{result.std}}<a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
+      Average result: {{result.mean}}<a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
     </h4>
     <a href="javascript:" class="rb-details-toggle" rbDetailsToggle #triggerDetails="rbDetailsToggle">Details</a>
     <div *ngIf="triggerDetails.open" class="space-below">
       <p *ngFor="let prediction of result.predictions; index as i">
-        {{spectrumNames[i]}}: {{prediction}}&nbsp;{{activeGroup.models[activeModelIndex].label}}
-        <a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
+        {{spectrumNames[i]}}: {{prediction}}<a [routerLink]='"."' fragment="disclaimer"><sup>#</sup></a>
       </p>
     </div>
   </ng-template>
diff --git a/src/app/prediction/prediction.component.ts b/src/app/prediction/prediction.component.ts
index 075c150..d6cb0c2 100644
--- a/src/app/prediction/prediction.component.ts
+++ b/src/app/prediction/prediction.component.ts
@@ -3,15 +3,10 @@ import {ChartOptions} from 'chart.js';
 import {ApiService} from '../services/api.service';
 import {animate, style, transition, trigger} from '@angular/animations';
 import cloneDeep from 'lodash/cloneDeep';
+import omit from 'lodash/omit';
 import {DataService} from '../services/data.service';
 import {ModelItemModel} from '../models/model-item.model';
-import {HttpClient} from '@angular/common/http';
 
-interface PredictionResult {
-  meanPrediction: string;
-  std: string;
-  predictions: string[];
-}
 
 @Component({
   selector: 'app-prediction',
@@ -34,7 +29,7 @@ interface PredictionResult {
 })
 export class PredictionComponent implements OnInit {
 
-  result: PredictionResult;
+  result: {predictions: string[], mean: string};
   loading = false;
   activeGroup: ModelItemModel = new ModelItemModel();
   activeModelIndex = 0;
@@ -104,9 +99,16 @@ export class PredictionComponent implements OnInit {
 
   loadPrediction() {
     this.loading = true;
-    console.log(this.activeModelIndex);
-    this.api.post<PredictionResult>(this.activeGroup.models[this.activeModelIndex].url, this.flattenedSpectra, data => {
-      this.result = data;
+    this.api.post<any>(this.activeGroup.models[this.activeModelIndex].url, this.flattenedSpectra, data => {
+      this.result = {
+        predictions: Object.entries(omit(data, ['mean', 'std', 'label']))
+          .map((p: any) => p[1].map(e => `${p[0]}: ${e} ${data.label[p[0]]}`))
+          .reduce((s, e) => s.map((el, i) => this.clip(el) + ', ' + e[i])),
+        mean: Object.keys(data.mean).map(e =>
+            this.clip(`${e}: ${data.mean[e]} ${data.label[e]}`) + (data.std[e] !== '' ? ` (standard deviation: ${data.std[e]})` : '')
+          ).join(', ')
+      };
+      console.log(this.result);
       this.loading = false;
     });
   }
@@ -115,4 +117,8 @@ export class PredictionComponent implements OnInit {
     this.activeGroup = this.d.arr.modelGroups[index];
     this.result = undefined;
   }
+
+  clip(str) {  // clip spaces at start and end
+    return str.replace(/^\s*(.*?)\s*$/, '$1');
+  }
 }
diff --git a/src/app/sample/sample.component.html b/src/app/sample/sample.component.html
index 3448b5b..98a6b8d 100644
--- a/src/app/sample/sample.component.html
+++ b/src/app/sample/sample.component.html
@@ -238,7 +238,7 @@
                             [(ngModel)]="measurement.measurement_template"
                             (ngModelChange)="clearMeasurement(gIndex, mIndex)">
               <option [value]="sample.condition.condition_template">
-                {{d.id.measurementTemplates[measurement.measurement_template].name}} - current
+                {{d.id.measurementTemplates[measurement.measurement_template].name}} - old
               </option>
               <option *ngFor="let m of d.latest.measurementTemplates" [value]="m._id">{{m.name}}</option>
             </rb-form-select>
@@ -330,7 +330,7 @@
 <ng-template #modalDeleteConfirm>
   <rb-alert alertTitle="Are you sure?" type="danger" [okBtnLabel]="'Delete sample' + (samples.length > 1 ? 's' : '')"
             cancelBtnLabel="Cancel">
-    Do you really want to delete {{samples.length > 1 ? 'these samples' : 'this sample'}}?
+    Do you really want to delete {{(samples.length > 1 ? 'samples ' : 'sample ') + sampleNames()}}?
   </rb-alert>
 </ng-template>
 
diff --git a/src/app/sample/sample.component.ts b/src/app/sample/sample.component.ts
index 9fa4ba0..554620f 100644
--- a/src/app/sample/sample.component.ts
+++ b/src/app/sample/sample.component.ts
@@ -613,6 +613,10 @@ export class SampleComponent implements OnInit, AfterContentChecked {
     return this.sampleReferenceList.bind(this);
   }
 
+  sampleNames() {
+    return this.samples.map(e => e.number).join(', ');
+  }
+
   uniqueCfValues(index) {  // returns all names until index for unique check
     return this.customFields ? this.customFields.slice(0, index).map(e => e[0]) : [];
   }
diff --git a/src/app/services/data.service.ts b/src/app/services/data.service.ts
index 3e76e0a..e1425a0 100644
--- a/src/app/services/data.service.ts
+++ b/src/app/services/data.service.ts
@@ -5,6 +5,7 @@ import {MaterialModel} from '../models/material.model';
 import {BaseModel} from '../models/base.model';
 import {UserModel} from '../models/user.model';
 import {ModelItemModel} from '../models/model-item.model';
+import {ModelFileModel} from '../models/model-file.model';
 
 @Injectable({
   providedIn: 'root'
@@ -25,6 +26,7 @@ export class DataService {
     sampleNotesFields: {path: '/sample/notes/fields', model: TemplateModel, type: 'idArray'},
     users: {path: '/users', model: UserModel, type: 'idArray'},
     modelGroups: {path: '/model/groups', model: ModelItemModel, type: 'array'},
+    modelFiles: {path: '/model/files', model: ModelFileModel, type: 'array'},
     user: {path: '/user', model: UserModel, type: 'string'},
     userKey: {path: '/user/key', model: BaseModel, type: 'string'}
   };
diff --git a/src/app/size.pipe.spec.ts b/src/app/size.pipe.spec.ts
new file mode 100644
index 0000000..5a0238e
--- /dev/null
+++ b/src/app/size.pipe.spec.ts
@@ -0,0 +1,8 @@
+import { SizePipe } from './size.pipe';
+
+describe('SizePipe', () => {
+  it('create an instance', () => {
+    const pipe = new SizePipe();
+    expect(pipe).toBeTruthy();
+  });
+});
diff --git a/src/app/size.pipe.ts b/src/app/size.pipe.ts
new file mode 100644
index 0000000..ea3cbe8
--- /dev/null
+++ b/src/app/size.pipe.ts
@@ -0,0 +1,16 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'size'
+})
+export class SizePipe implements PipeTransform {
+
+  transform(value: number, exp: string): string {
+    const divide = ['', 'k', 'M', 'G', 'T'].indexOf(exp);
+    for (let i = 0; i < divide; i ++) {
+      value = value / 1024;
+    }
+    return `${value.toFixed(2)} ${exp}B`;
+  }
+
+}