如何将Sparklyr(Spark ML)模型导出到PMML? [英] How to export sparklyr (Spark ML) models to PMML?

问题描述

我知道可以使用JPMML-SparkML库将 Spark ML管道导出到 PMML .我只是在努力寻找如何使用 sparklyr 从 R 做到这一点.

I know that Spark ML pipelines can be exported to PMML using the JPMML-SparkML library. I am just struggling to find out how I could do it from R using sparklyr.

我知道开放的github问题，提出了两个想法:

I am aware of open github issue, where two ideas were raised:

• 使用Scala API，例如:

• using Scala API, something like:

model <- ml_kmeans(<...>)    
sparkapi::invoke(model$.model, "toPMML", "./myModelPMML.xml")

利用 https://github.com/jpmml/jpmml-converter 和 https://github.com/jpmml/jpmml-sparkml

但是，我找不到有关该提示的任何后续信息.有人尝试过这些解决方案吗?

However I could not find any follow ups on that tips. Has anyone tried any of these solutions?

此处是与此问题相关的github问题.

Here is the related github issue to this question.

推荐答案

您可以使用 sparklyr2pmml 包将Sparklyr/Apache Spark ML管道导出到PMML.

You can use the sparklyr2pmml package to export Sparklyr/Apache Spark ML pipelines to PMML.

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