How to find maximum value of a column in python dataframe
dataframe, pyspark, python
Solution
if you are using pandas `.max()` will work :
>>> df2=pd.DataFrame({'A':[1,5,0], 'B':[3, 5, 6]})
>>> df2['A'].max()
5
Else if it's a `spark` dataframe:
Best way to get the max value in a Spark dataframe column
Problem
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 the column `id` in the data frame. I have tried like below ``` df['id'].max() ``` But got below error ``` TypeError: 'Column' object is not callable ``` Please let me know how to find the `maximum` value of a column in data frame In the answer by @Dadep the link gives the correct answer