所以我想训练一个 MLClassifier 来识别特定的设备运动。所以我所做的就是记录运动数据和我相应标记的非常记录的数据。当这并没有像我希望的那样奏效时,我开始意识到我必须记录“动作”本身,而不仅仅是暂时的。
所以我连续打包了 5 个数据集(字典),这是我的新训练功能。所以我想,但是在尝试训练我的新数据时,我看到了这个错误,试图创建我的分类器:
在“s”列中遇到的值属于“字典”类型,无法映射到分类值。分类值必须是整数、字符串或无。
现在我正在慢慢放弃......你们有没有人建议或知道为什么我不能使用序列(数组)作为特征?
...
顺便说一句,这是我的 JSON 的一些示例数据:
[{"s":[{"rZ":-1.0,"p":0.2,"aY":-0.0,"rX":1.5,"y":0.1,"r":-1.3,"aZ":0.2,"rY":-2.8,"aX":0.6},{"rZ":-1.9,"p":0.2,"aY":0.0,"rX":2.0,"y":0.2,"r":-1.4,"aZ":0.0,"rY":-3.2,"aX":0.5},{"rZ":-1.8,"p":0.3,"aY":0.0,"rX":2.4,"y":0.2,"r":-1.5,"aZ":0.9,"rY":-4.8,"aX":0.5},{"rZ":-1.6,"p":0.3,"aY":0.0,"rX":2.5,"y":0.3,"r":-1.6,"aZ":0.9,"rY":-3.8,"aX":0.6},{"rZ":-1.8,"p":0.3,"aY":0.1,"rX":2.2,"y":0.3,"r":-1.7,"aZ":0.1,"rY":-3.0,"aX":0.6}],"v":0}]
我用来创建模型的代码:
do{
let a = try MLDataTable(contentsOf: dummyJSONurl)
let recognizer = try MLClassifier(trainingData: a, targetColumn: "v")
}catch let er{
er
}