Update Mimic4Dataset.py

Mimic4Dataset.py

@@ -450,7 +450,7 @@ class Mimic4Dataset(datasets.GeneratorBasedBuilder):
             size_concat = self.size_cond+ self.size_proc * ((self.timeW + self.predW)//self.bucket) + self.size_meds * ((self.timeW + self.predW)//self.bucket)+ self.size_out * ((self.timeW + self.predW)//self.bucket)+ self.size_chart * ((self.timeW + self.predW)//self.bucket)+ self.size_lab * ((self.timeW + self.predW)//self.bucket) + 4
             size_aggreg = self.size_cond+ self.size_proc + self.size_meds+ self.size_out+ self.size_chart+ self.size_lab + 4
             
-            if (len(X)==size_concat or len(X)==size_aggreg):
+            if ((self.concat and len(X)==size_concat) or ((not self.concat) and len(X)==size_aggreg)):
                 yield int(i), {
                     "label": label,
                     "features": X,