pred nor

recommend-model-produce/src/main/scala/com/tzld/piaoquan/recommend/model/pred_recsys_61_xgb_nor_hdfsfile_20241209.scala

@@ -86,9 +86,9 @@ object pred_recsys_61_xgb_nor_hdfsfile_20241209 {
     val rmse = evaluator.evaluate(predictions.select("label", "prediction"))
     val selfRmse = calRMSE(predictions.select("label", "prediction").rdd)
     val rmsle = calRMSLE(predictions.select("label", "prediction").rdd)
-    printf("recsys nor:rmse: %.6f\n" + rmse)
-    printf("recsys nor:selfRmse:%.6f\n" + selfRmse)
-    printf("recsys nor:rmsle: %.6f\n" + rmsle)
+    printf("recsys nor:rmse: %.6f\n", rmse)
+    printf("recsys nor:selfRmse:%.6f\n", selfRmse)
+    printf("recsys nor:rmsle: %.6f\n", rmsle)
 
     println("---------------------------------\n")
     println("---------------------------------\n")