亚马逊机器学习。什么意思＆＃34;隐藏标记的数量与看不见的标签：2732＆＃34;？

Question

我在学习AML方面遇到了一些问题。 在我的测试数据上，有一个目标列，其中包含1和-1值。我把它们标记为我的目标。它是结尾的第二列

-0.00555555555555555556,0.02061855670103092784,-0.05699481865284974093,0.01098901098901098901,0.25817662224469475743,39.70057118,-1,THURSDAY 
0.05263157894736842105,-0.05365853658536585366,0.07222222222222222222,-0.06185567010309278351,-0.52876291967264349791,31.55405249,1,WEDNESDAY
-0.04469273743016759777,0.09042553191489361702,-0.03743315508021390374,0.07777777777777777778,2.6163574345595833,66.96003733,-1,TUESDAY  
0.02285714285714285714,-0.06930693069306930693,-0.00531914893617021277,-0.03743315508021390374,-0.51345456796216036122,18.51587918,1,MONDAY   
0.02941176470588235294,-0.10222222222222222222,0.03296703296703296703,-0.02604166666666666667,-0.48691156069663481737,38.05580725,-1,SUNDAY   
0,0.125,0.01111111111111111111,0.06077348066298342541,1.8793802201127897,74.17007349,1,SATURDAY 
0,0.05820105820105820106,-0.01098901098901098901,0.00555555555555555556,-0.33267718948854631161,25.75904112,1,FRIDAY   
-0.03409090909090909091,-0.17105263157894736842,-0.08080808080808080808,-0.0217391304347826087,-0.43259928830528088732,38.60057039,1,THURSDAY 
0.06666666666666666667,-0.23232323232323232323,0.06451612903225806452,-0.06122448979591836735,-0.7961321643488210241,68.03052868,-1,WEDNESDAY

但在通过随机评估后我得到了错误

"Number of ignored records with unseen labels: 2732"

矩阵看起来很奇怪

正如您所看到的，总值就像100％＆＃34; 1＆＃34;这很奇怪我究竟做错了什么？请帮忙，我有点困惑