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January 16, 2025 • 6 min read

Advanced Polars Expressions: String Operations & Complex Data Types

Advanced Polars Expressions: String Operations & Complex Data Types Welcome to the second installment of our Polars mastery series! Building on the foundational concepts from Part 1, we’ll dive deep into …
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January 15, 2025 • 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 …
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April 18, 2024 • 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 …
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August 26, 2019 • 3 min read

Part 5 - Plotting Using Seaborn - Radar

Introduction and Data preparation Please follow the folloing links regarding data preparation and previous posts to follow along - For Data Preparation - Part 0 - Plotting Using Seaborn - Data …
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August 23, 2019 • 3 min read

Part 4 - Plotting Using Seaborn - Heatmap, Lollipop Plot, Scatter Plot

Introduction and Data preparation Please follow the folloing links regarding data preparation and previous posts to follow along - For Data Preparation - Part 0 - Plotting Using Seaborn - Data …
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August 23, 2019 • 4 min read

Part 3 - Plotting Using Seaborn - Donut

Introduction and Data preparation Please follow the folloing links regarding data preparation and previous posts to follow along - For Data Preparation - Part 0 - Plotting Using Seaborn - Data …
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August 23, 2019 • 2 min read

Part 2 - Plotting Using Seaborn - Distribution Plot, Facet Grid

Introduction and Data preparation Please follow the folloing links regarding data preparation and previous posts to follow along - For Data Preparation - Part 0 - Plotting Using Seaborn - Data …
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August 21, 2019 • 3 min read

Part 1 - Plotting Using Seaborn - Violin, Box and Line Plot

Introduction and Data preparation Please follow the folloing links regarding data preparation and previous posts to follow along - For Data Preparation - Part 0 - Plotting Using Seaborn - Data …
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August 20, 2019 • 3 min read

Part 0 - Plotting Using Seaborn - Data Preparation

Import Preliminaries and datasets import pandas as pd import seaborn as sns import matplotlib.pyplot as plt import matplotlib.pylab as plb import warnings warnings.filterwarnings('ignore') test_scores = …
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July 20, 2019 • 2 min read

Nearest Neighbors using L2 and L1 Distance

Preliminaries Distance Matrics L2 Norm L1 Norm Nearest Neighbor Using L2 Distance Using L1 Distance Predictions Errors Confusion Matrix Using Pandas From Scratch Preliminaries import numpy as np # Load data set and code …
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