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[jvm-packages] support spark 2.4 and compatibility test with previous xgboost version (#4377)

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* bump spark version

* keep float.nan

* handle brokenly changed name/value

* add test

* add model files

* add model files

* update doc
This commit is contained in:
Nan Zhu
2019-04-17 11:33:13 -07:00
committed by GitHub
parent 711397d645
commit 65db8d0626
8 changed files with 36 additions and 7 deletions
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{"class":"ml.dmlc.xgboost4j.scala.spark.XGBoostClassificationModel","timestamp":1555350539033,"sparkVersion":"2.3.2-uber-109","uid":"xgbc_5e7bec215a4c","paramMap":{"useExternalMemory":false,"trainTestRatio":1.0,"alpha":0.0,"seed":0,"numWorkers":100,"skipDrop":0.0,"treeLimit":0,"silent":0,"trackerConf":{"workerConnectionTimeout":0,"trackerImpl":"python"},"missing":"NaN","colsampleBylevel":1.0,"probabilityCol":"probability","checkpointPath":"","lambda":1.0,"rawPredictionCol":"rawPrediction","eta":0.3,"numEarlyStoppingRounds":0,"growPolicy":"depthwise","gamma":0.0,"sampleType":"uniform","maxDepth":6,"rateDrop":0.0,"objective":"reg:linear","customObj":null,"lambdaBias":0.0,"baseScore":0.5,"labelCol":"label","minChildWeight":1.0,"customEval":null,"normalizeType":"tree","maxBin":16,"nthread":4,"numRound":20,"colsampleBytree":1.0,"predictionCol":"prediction","subsample":1.0,"timeoutRequestWorkers":1800000,"featuresCol":"features","evalMetric":"error","sketchEps":0.03,"scalePosWeight":1.0,"checkpointInterval":-1,"maxDeltaStep":0.0,"treeMethod":"approx"}}