How to find maximum value of a column in python dataframe

Question

I have a data frame in pyspark. In this data frame I have column called id that is unique.

Now I want to find the maximum value of

Answer 1

You can use the aggregate max as also mentioned in the pyspark documentation link below:

Link : https://spark.apache.org/docs/latest/api/python/pyspark.sql.html?highlight=agg

Code:

row1 = df1.agg({"id": "max"}).collect()[0]