fix(exareme2): T-test indep was disabled

api/src/engine/connectors/exareme/handlers/algorithms/ttest-independent.handler.spec.ts

@@ -3,15 +3,14 @@ import TtestIndependentHandler from './ttest-independent.handler';
 
 const data = [
   {
-    n_obs: 2592,
-    t_stat: 134.30687412180572,
-    p: 1.0,
-    df: 2590,
-    mean_diff: 2.649063055555556,
-    se_diff: 0.01972395733931731,
-    ci_upper: 2.6815226463968456,
-    ci_lower: -Infinity,
-    cohens_d: 5.276072302860936,
+    t_stat: 167.79155102952237,
+    df: 4140.0,
+    p: 0.0,
+    mean_diff: 2.6412097730564965,
+    se_diff: 0.015741017690406738,
+    ci_upper: 2.6421969013992093,
+    ci_lower: 2.6402226447137838,
+    cohens_d: 5.214288266060559,
   },
 ];
 

api/src/engine/connectors/exareme/handlers/algorithms/ttest-onesample.handler.ts

@@ -59,12 +59,14 @@ export default class TtestOnesampleHandler extends BaseHandler {
         'ci_lower',
         'ci_upper',
         'cohens_d',
-      ].map((name) => [
-        lookupDict[name],
-        isNumberPrecision(data[name], name)
-          ? data[name].toPrecision(NUMBER_PRECISION)
-          : data[name],
-      ]),
+      ]
+        .filter((name) => data[name] !== undefined)
+        .map((name) => [
+          lookupDict[name],
+          isNumberPrecision(data[name], name)
+            ? data[name].toPrecision(NUMBER_PRECISION)
+            : data[name],
+        ]),
     };
 
     return tableModel;

api/src/engine/connectors/exareme/handlers/index.ts

@@ -8,6 +8,7 @@ import LogisticRegressionHandler from './algorithms/logistic-regression.handler'
 import PCAHandler from './algorithms/PCA.handler';
 import PearsonHandler from './algorithms/pearson.handler';
 import RawHandler from './algorithms/raw.handler';
+import TtestIndependentHandler from './algorithms/ttest-independent.handler';
 import TtestOnesampleHandler from './algorithms/ttest-onesample.handler';
 import TTestPairedHandler from './algorithms/ttest-paired.handler';
 
@@ -22,6 +23,7 @@ start
   .setNext(new LogisticRegressionHandler())
   .setNext(new TTestPairedHandler())
   .setNext(new TtestOnesampleHandler())
+  .setNext(new TtestIndependentHandler())
   .setNext(new RawHandler()); // should be last handler as it works as a fallback (if other handlers could not process the results)
 
 export default (exp: Experiment, data: unknown, domain: Domain): Experiment => {