[R4ML-194] as.r4ml.frame() parameter checking

[bdwyer2]

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[R4ML-CI]

Build triggered.

[R4ML-CI]

Unit test failed.

[bdwyer2]

Unrelated test failed.

1. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
2. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
3. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
4. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
5. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
6. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
7. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
8. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
9. Error: r4ml.coxph accuracy (@test-ml.model.cox.R#96) 
1. ...

Jenkins, retest this please.

[R4ML-CI]

Build triggered.

[R4ML-CI]

Build success. All unit tests passed.

[R4ML-CI]

Build triggered.

[R4ML-CI]

Build success. All unit tests passed.