1 files changed, 9 insertions, 10 deletions
diff --git a/frontend/src/app/_data/Dataset.ts b/frontend/src/app/_data/Dataset.ts
index 4ff0a471..a962fe6b 100644
--- a/frontend/src/app/_data/Dataset.ts
+++ b/frontend/src/app/_data/Dataset.ts
@@ -1,7 +1,6 @@
 import { FolderFile } from "./FolderFile";
 
 export default class Dataset extends FolderFile {
-    _id: string = '';
     constructor(
         name: string = 'Novi izvor podataka',
         public description: string = '',
@@ -29,15 +28,15 @@ export class ColumnInfo {
         public columnName: string = '',
         public isNumber: boolean = false,
         public numNulls: number = 0,
-        public uniqueValues?: string[],
-        public uniqueValuesCount?: number[],
-        public uniqueValuesPercent?: number[],
-        public median?: number,
-        public mean?: number,
-        public min?: number,
-        public max?: number,
-        public q1?: number,
-        public q3?: number,
+        public uniqueValues: string[]=[],
+        public uniqueValuesCount: number[]=[],
+        public uniqueValuesPercent: number[]=[],
+        public median: number=0,
+        public mean: number=0,
+        public min: number=0,
+        public max: number=0,
+        public q1: number=0,
+        public q3: number=0,
     ) {
         /*if (isNumber)
             this.columnType = ColumnType.numerical;