问题描述
我正在尝试将 spark RDD 转换为 Pandas DataFrame。
from pyspark.ml.regression import GBTRegressor
gbt = GBTRegressor(featuresCol="features",labelCol="Price",maxIter=10)
gbtModel = gbt.fit(training_data)
predictions_gbt = gbtModel.transform(testing_data)
predictions_gbt.select("features","Price","prediction").show()
prediction_gbt_test = gbtModel.transform(finalized_test_data)
prediction_gbt_test.toPandas()
Py4JJavaError: An error occurred while calling o1964.collectToPython.:
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 166.0 Failed 1
times,most recent failure: Lost task 0.0 in stage 166.0 (TID 166,86f0177ce5fa,executor driver):
org.apache.spark.SparkException: Failed to execute user defined
function(GBTRegressionModel$$Lambda$3519/181923952:
解决方法
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