diff --git a/api/src/engine/connectors/exareme/converters.ts b/api/src/engine/connectors/exareme/converters.ts
index 0936d080d19b45ee927b952fea0f69c996cd1ed0..943c73b4fb897f5a84e7b3a94151f887defee502 100644
--- a/api/src/engine/connectors/exareme/converters.ts
+++ b/api/src/engine/connectors/exareme/converters.ts
@@ -1,7 +1,10 @@
 import { Category } from 'src/engine/models/category.model';
 import { Algorithm } from 'src/engine/models/experiment/algorithm.model';
 import { Experiment } from 'src/engine/models/experiment/experiment.model';
-import { AlgorithmParamInput } from 'src/engine/models/experiment/input/algorithm-parameter.input';
+import {
+  AlgorithmParamInput,
+  ParamType,
+} from 'src/engine/models/experiment/input/algorithm-parameter.input';
 import { ExperimentCreateInput } from 'src/engine/models/experiment/input/experiment-create.input';
 import { Group } from 'src/engine/models/group.model';
 import { ResultUnion } from 'src/engine/models/result/common/result-union.model';
@@ -65,7 +68,10 @@ const algoParamInputToData = (param: AlgorithmParamInput) => {
   return {
     name: param.id,
     label: param.id,
-    value: param.value.join(','),
+    value:
+      param.type === ParamType.NUMBER
+        ? Number(param.value)
+        : param.value.join(','),
   };
 };
 
@@ -84,7 +90,7 @@ export const experimentInputToData = (data: ExperimentCreateInput) => {
     }) ||
     null;
 
-  return {
+  const params = {
     algorithm: {
       parameters: [
         {
@@ -207,7 +213,7 @@ export const dataJSONtoResult = (
     case 'descriptive_stats':
       return descriptiveDataToTableResult(result);
     default:
-      return [];
+      return dataToRaw(result);
   }
 };
 
diff --git a/api/src/engine/connectors/exareme/transformations.ts b/api/src/engine/connectors/exareme/transformations.ts
index c05fa04e31dd9de8aaaa1659dd3760d327cb8b4c..354ce594f7e6fce533eaaa4aa81a1331e4de453f 100644
--- a/api/src/engine/connectors/exareme/transformations.ts
+++ b/api/src/engine/connectors/exareme/transformations.ts
@@ -34,6 +34,7 @@ export const transformToExperiment = jsonata(`
 
     $toArray := function($x) { $type($x) = 'array' ? $x : [$x]};
 
+
     {
         "name": name,
         "id": uuid,
diff --git a/api/src/engine/models/experiment/input/algorithm-parameter.input.ts b/api/src/engine/models/experiment/input/algorithm-parameter.input.ts
index 9b550ae34a6fd1a159ffb7ad11f8eff127f2da01..ce27f32c9d703138f19c96b832c37e6d7c7cd283 100644
--- a/api/src/engine/models/experiment/input/algorithm-parameter.input.ts
+++ b/api/src/engine/models/experiment/input/algorithm-parameter.input.ts
@@ -1,10 +1,25 @@
-import { Field, InputType } from '@nestjs/graphql';
+import { Field, InputType, registerEnumType } from '@nestjs/graphql';
+
+export enum ParamType {
+  STRING,
+  NUMBER,
+}
+
+registerEnumType(ParamType, {
+  name: 'ParamType',
+});
 
 @InputType()
 export class AlgorithmParamInput {
   @Field()
   id: string;
 
+  @Field(() => ParamType, {
+    nullable: true,
+    defaultValue: ParamType.STRING,
+  })
+  type?: ParamType;
+
   @Field(() => [String])
   value: string[];
 }
diff --git a/api/src/schema.gql b/api/src/schema.gql
index f10e3bb93f3d24fdc5a40f8eedbe65abae5e27c4..33ba8eafeaa512b7de549cd0ad12ce620b6d533c 100644
--- a/api/src/schema.gql
+++ b/api/src/schema.gql
@@ -209,6 +209,7 @@ input AlgorithmInput {
 
 input AlgorithmParamInput {
   id: String!
+  type: ParamType = STRING
   value: [String!]!
 }