#Data-Manipulation
Tags: 3 posts
June 2, 2025
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6 min read
PySpark Datetime Cheatsheet — For Pandas Users
PySpark Datetime Cheatsheet — For Pandas Users All examples use:
from pyspark.sql import functions as F import pandas as pd 1. Casting Strings to Dates / Timestamps Pandas df["CreatedDate"] = pd.to_datetime(df["CreatedDate"]) …
January 15, 2025
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7 min read
From Pandas to Polars: A Paradigm Shift in DataFrame Processing
Welcome to the first installment of our Polars blog series! If you’ve spent years mastering Pandas and are curious about what makes Polars the talk of the data community, this post is your gateway. We’ll explore the fundamental …
April 18, 2024
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3 min read
Advanced Pandas GroupBy and Window Functions for Data Engineering and Analytics
Session Outline: Advanced GroupBy and Window Functions in Pandas 1. Introduction to GroupBy and Its Role in Data Engineering (5 minutes) Overview: Recap of GroupBy as a split-apply-combine paradigm, as defined by Wes McKinney in Python for Data …