问题
Suppose I have a list:
x = [[1,10],[2,14],[3,17]]
I want to convert x
to a Spark dataframe with two columns id
(1,2,3) and value
(10,14,17).
How could I do that?
Thanks
回答1:
x = [[1,10],[2,14],[3,17]]
df = sc.parallelize(x).toDF(['ID','VALUE'])
df.show()
来源:https://stackoverflow.com/questions/45858900/how-to-convert-a-list-of-array-to-spark-dataframe