No more predict sample

Author: andrewdalpino

predict.php

@@ -4,13 +4,18 @@
 
 use Rubix\ML\PersistentModel;
 use Rubix\ML\Persisters\Filesystem;
+use Rubix\ML\Datasets\Unlabeled;
 
 ini_set('memory_limit', '-1');
 
 $estimator = PersistentModel::load(new Filesystem('sentiment.rbx'));
 
 while (empty($text)) $text = readline("Enter some text to analyze:\n");
 
-$prediction = $estimator->predictSample([$text]);
+$dataset = new Unlabeled([
+    [$text],
+]);
+
+$prediction = current($estimator->predict($dataset));
 
 echo "The sentiment is: $prediction" . PHP_EOL;