How about this:
df.withColumn("doubles", col("ints").cast("double")).drop("ints")
On Thu, Aug 25, 2016 at 2:09 PM, Marco Mistroni <mmistr...@gmail.com> wrote:
> hi all
> i might be stuck in old code, but this is what i am doing to convert a
> DF int column to Double
>
> val intToDoubleFunc:(Int => Double) = lbl => lbl.toDouble
> val labelToDblFunc = udf(intToDoubleFunc)
>
>
> val convertedDF = df.withColumn("SurvivedDbl",
> labelToDblFunc(col("Survived")))
>
> is there a better way to do that?
>
> kr
>
>
