Spark使用VectorAssembler時：IllegalArgumentException: Data type StringType is not supported
我的處理順序： 因爲我在另外一個scala文件中已經將csv分割爲了訓練集和測試集，並且爲了後續計算各個filed之間的相關係數而把所有filed的類型都已經改爲了Double型，所以我就沒有考慮我的數據會有問題。 所以我懷疑是文件第一行的列名在搞鬼，然後我就去除了文件的第一行：然後：org.apache.hadoop.fs.ChecksumException: Checksum error 讀取
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