Create A Tuple Out Of Two Columns - Pyspark
My problem is based on the similar question here PySpark: Add a new column with a tuple created from columns, with the difference that I have a list of values instead of one value
Solution 1:
If size of the arrays varies from row to row you'll need and UDF:
from pyspark.sql.functions import udf
@udf("array<struct<_1:double,_2:double>>")defzip_(xs, ys):
returnlist(zip(xs, ys))
df.withColumn("v_tuple", zip_("v1", "v2"))
In Spark 1.6:
from pyspark.sql.types import *
zip_ = udf(
lambda xs, ys: list(zip(xs, ys)),
ArrayType(StructType([StructField("_1", DoubleType()), StructField("_2", DoubleType())])))
Post a Comment for "Create A Tuple Out Of Two Columns - Pyspark"