C

Colin Jaffe

91 articles

Colin Jaffe is a programmer, writer, and teacher with a passion for creative code, customizable computing environments, and simple puns. He loves teaching code, from the fundamentals of algorithmic thinking to the business logic and user flow of application building—he particularly enjoys teaching JavaScript, Python, API design, and front-end frameworks.

Colin has taught code to a diverse group of students since learning to code himself, including young men of color at All-Star Code, elementary school kids at The Coding Space, and marginalized groups at Pursuit. He also works as an instructor for Noble Desktop, where he teaches classes in the Full-Stack Web Development Certificate and the Data Science & AI Certificate.

Colin lives in Brooklyn with his wife, two kids, and many intricate board games.

Articles

April 19, 20262 min read

Data Processing with LabelEncoder for Categorical Variables

Apply LabelEncoder to convert categorical variables 'sex' and 'embarked' into numeric form. Watch this tutorial to learn the key concepts...

April 19, 20263 min read

Building a K-Neighbors Classifier

Train a k-neighbors classifier on the given dataset and test it on a new data point. Watch this tutorial to learn the key concepts and...

April 19, 20265 min read

Creating a DataFrame with Iris Dataset

Convert the Iris dataset into a pandas DataFrame, map numerical targets to species names, and add this as a new column. Watch this tutorial...

April 19, 20263 min read

Model Confusion: Insights from the Confusion Matrix

Evaluate the model's confusion matrix to identify prediction errors and class imbalances. Watch this tutorial to learn the key concepts and...

April 19, 20263 min read

Evaluating Model Predictions Against Test Data for Accuracy

Evaluate the model's predictions against the test data to determine accuracy. Watch this tutorial to learn the key concepts and techniques.

April 19, 20263 min read

Exploring APIs with Python: Accessing Data from FruitDevice

Access data from an API using Python to retrieve structured information. Watch this tutorial to learn the key concepts and techniques.

April 19, 20263 min read

Creating Interactive Pie Charts with Plotly Express in Dash

Now, if you remember from last time, this h1 is what actually puts out our dash message here. Hello, dash. We're going to put a graph there...

April 19, 20267 min read

Data with Python: Analyzing Min, Max, and Mean Values

Demonstrate calculating minimum, maximum, and mean values from lists and pandas data frames using Python functions. Watch this tutorial to...

April 19, 20263 min read

Setting Up Google Colab and Google Drive

Upload and connect your class files to Google Colab and Google Drive to start using Jupyter Notebooks. Watch this tutorial to learn the key...

April 19, 20262 min read

MNIST Dataset: Variations in Handwritten Digits

Explore the MNIST dataset to recognize handwritten digits using neural networks. Watch this tutorial to learn the key concepts and...

April 19, 20265 min read

Extracting HTML Attribute Values and Nested Elements with Python

Extract attribute values from HTML elements nested within other elements using BeautifulSoup in Python. Watch this tutorial to learn the...

April 19, 20265 min read

Chipotle Orders: Uncovering Pricing Patterns and Insights

We have a CSV of Chipotle data called chipotle. csv.

April 19, 20263 min read

Domain Knowledge and Data Analysis in Model Training

Apply domain knowledge and data analysis to select relevant features for modeling car prices. Watch this tutorial to learn the key concepts...

April 19, 20262 min read

Unlocking Data Access: Navigating APIs with Python

Use APIs to access, explore, and analyze publicly available data efficiently. Watch this tutorial to learn the key concepts and techniques.

April 19, 20267 min read

Building a Three-Layer Neural Network with Keras and TensorFlow

Construct a sequential three-layer neural network using Keras. Watch this tutorial to learn the key concepts and techniques.

April 19, 20261 min read

Analyzing Titanic Survival: Impact of Gender and Embarkation Port

Analyze Titanic survival rates by gender and port of embarkation to identify influential factors. Watch this tutorial to learn the key...

April 19, 20262 min read

Predicting Titanic Survival with Random Forest Classifier

Build a random forest classifier model to predict Titanic survival using Kaggle's dataset. Watch this tutorial to learn the key concepts...

April 19, 20263 min read

Setting Up Jupyter Notebooks in Google Colab with Google Drive

Upload the entire "Python Machine Learning Bootcamp" folder directly to "My Drive" in Google Drive without nesting in other folders. Watch...

April 19, 20263 min read

Visualizing K-Nearest Neighbors with Simple Data Points

Visualize and plot sample data points to understand k-nearest neighbors classification. Watch this tutorial to learn the key concepts and...

April 19, 20263 min read

One-Hot Encoding for Categorical Data in Machine Learning

Convert categorical salary data into numerical format using Pandas' one-hot encoding. Watch this tutorial to learn the key concepts and...

April 19, 20266 min read

Exploring AlphaVantage: Accessing Stock Market Data via API

Obtain a free API key from AlphaVantage to access stock market data using Python. Watch this tutorial to learn the key concepts and...

April 19, 20262 min read

Visualizing Apple Stock Trends with Pyplot: Identifying Highs and Lows

Plot Apple's highest and lowest prices using pyplot's scatterplot method. Watch this tutorial to learn the key concepts and techniques.

April 19, 20261 min read

Visualizing Survival and Class Distribution in Titanic Data Analysis

Analyze Titanic survival rates by passenger class. Watch this tutorial to learn the key concepts and techniques.

April 19, 20262 min read

Model Accuracy: Understanding Precision and Recall Metrics

Evaluate classification results using accuracy, precision, recall, and the F1 score to identify prediction errors. Watch this tutorial to...