You can usefillna() functionto assign a null value for a NaN and then call thepivot_table()function, It will return the count of the duplicate null values of a given DataFrame. # Get count duplicate null using fillna() df['Duration'] = df['Duration'].fillna('NULL') df2 = df.pivot...
Developers who prefer Python can use PySpark, the Python API for Spark, instead of Scala. Data science workflows that blend data engineering andmachine learningbenefit from the tight integration with Python tools such aspandas,NumPy, andTensorFlow. Enter the following command to start the PySpark sh...
If you want your to retain your changes, then you need to pass a parameter called inplace, and set it’s value to True, so that your index reset is applied to the dataframe object at the time of running the reset_index function. # reset the index with inplace=True df.reset_index(...
In our first example, we’ll create a new text file and search it for a specific string. We’ll use the readlines() method to read the file’s data. Then we’ll assign that data to a variable calledlines. With the list of lines in hand, we can use a for loop to iterate through...
In this case, the values in the sex column should only be either “male” or “female”. gdf.expect_column_values_to_be_in_set(column = 'sex', value_set=['male', 'female']){ "exception_info": { "raised_exception": false, "exception_traceback": null, "exception_message": null ...