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scikit-learn

Train Test Split

April 1, 2025 Ryan Nolan No comments yet

Train Test Split is an important concept that future Data Scientists or Machine Learning Engineers need to pick up early on. When building models, you’ll want to split your data into two different sets. One for training a model, and one for testing a model. This article is based on the popular YouTube video on […]

Time Series

PACF Partial Autocorrelation Function

April 1, 2025 Ryan Nolan No comments yet

In this Data Science article, we are going to take a look at the Partial Autocorrelation Function (PACF). We will go over the background and then look at plotting both non stationary and stationary data. If you want to watch a video based around this tutorial, it is embedded below. https://youtu.be/XstPVx78yi8 PACF Background The PACF […]

Time Series

ACF Autocorrelation Function

April 1, 2025 Ryan Nolan No comments yet

In this Data Science lesson we are going to take a look the Autocorrelation Function. Often abbreviated as ACF it can let us know if our data is stationary or not. We will go over some of the background behind it and plot it with the help of Python. If you want to watch a […]

Python Pandas

Pandas Series

March 28, 2025 Ryan Nolan No comments yet

What is a Series in Python Pandas In Python Pandas a series acts similar to a row or a column within a spreadsheet.  It’s a list of values that can contain multiple different datatypes. This article is based on a YouTube video we have on our channel. If you want to watch the video it’s […]

Python Pandas

Pandas Index

March 23, 2025 Ryan Nolan No comments yet

An index within Python Pandas is a way to identify a specific row within a dataframe. In this lesson we will be going over string and integer indexes as well as multindexes. If you want to watch a video based on the tutorial, it is linked down below. https://youtu.be/eEXju_yrxpM Indexes vs Indices Often you’ll hear […]

Python Pandas

Pandas Pivot

March 21, 2025 Ryan Nolan No comments yet

In this lesson, we are going over 6 different examples of how you can utilize pivot within python pandas. Pivot allows you to reshape a dataframe and grab aggregate values quite fast in just one line of code. We will go through some east examples and then add on complexity as the lesson progresses. If […]

Python Pandas

Pandas loc

March 18, 2025 Ryan Nolan No comments yet

Pandas loc stands for location. Today we are going through 15 different examples showcasing how this works. Unlike iloc which uses integers for location, loc utilizes strings. If you want to follow this tutorial on YouTube, we have a video down below. Start by importing pandas as pd. We are going to create a dataframe […]

Python Pandas

Pandas iloc

March 18, 2025 Ryan Nolan No comments yet

In Python Pandas iloc stands for integer location. In this lesson we are going over 12 different examples of how we can utilize this to grab data within our dataframes. If you want to watch a video tutorial of this lesson it is linked below. Import in Pandas To start we’re going to create a […]

Python Pandas

Pandas Merge

March 17, 2025 Ryan Nolan No comments yet

Merges in Python Pandas are like joins in SQL. In this lesson we are going to go through 7 different examples of using Merge. It will cover frequently used merges like left and inner while still going over infrequently used ones like full outer and cross. This tutorial is based on a YouTube video we […]

Python Pandas

Pandas Concat

March 17, 2025 Ryan Nolan No comments yet

By utilizing Pandas Concat, data scientists can stack dataframes by rows or columns. This tutorial will go over both approaches. If you want to watch a visual representation of the code provided, a YouTube video is linked down below. Tutorial Set Up Before we jump into using, we have to import in Pandas and create […]

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