Re: question on the different way of RDD to dataframe

[frakass]

I think it's better as:

df1.map { case(w,x,y,z) => columns(w,x,y,z) }

Thanks


On 2022/2/9 12:46, Mich Talebzadeh wrote:

scala> val df2 = df1.map(p => columns(p(0).toString,p(1).toString, p(2).toString,p(3).toString.toDouble)) // map those columns

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