Total Number of Reviews for Each Product
Explore how to count the total number of reviews for each product by grouping data in both Pandas and PySpark DataFrames. Learn differences in syntax and methods such as using agg in Pandas and chaining groupby with count in PySpark to obtain aggregated review counts efficiently.
We'll cover the following...
We'll cover the following...
Count the reviews per product in pandas
We need to group the data by asin and count the number of reviews for each group. Both APIs provide a groupby method, but the syntax implementation is different.
Count the reviews per product in pandas
After successful code execution, we can see the message “Code Executed Successfully” in ...