Yearly Median Review
Explore how to calculate the yearly median review score by grouping data by year and month using both Pandas and PySpark. Understand a two-step aggregation approach to minimize outlier impact and see how PySpark's percentile_approx function differs syntactically from Pandas methods. This lesson helps you confidently perform median aggregations for effective social media data analysis.
We'll cover the following...
We'll cover the following...
Calculate yearly median review in Pandas
To calculate any kind of aggregation, both pandas and PySpark API provide the groupby and agg methods which return a DataFrame. First, we have to group the data by year and month. Then we have to calculate the final median score in two ...