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Cornellius Yudha Wijaya

Cornellius Yudha Wijaya is a data science assistant manager and data writer. While working full-time at Allianz Indonesia, he loves to share Python and data tips via social media and writing media. Cornellius writes on a variety of AI and machine learning topics.

Common Pitfalls in AI-Assisted Statistics
AI

Common Pitfalls in AI-Assisted Statistics

Posted on November 6, 2025November 5, 2025 by Cornellius Yudha Wijaya

Discover five critical pitfalls when using AI for statistical analysis and how to avoid them.

5 Unexpected Everyday Life Insights from Learning Statistics
Resources

5 Unexpected Everyday Life Insights from Learning Statistics

Posted on May 15, 2025May 15, 2025 by Cornellius Yudha Wijaya

This article explores five ways learning statistics could improve our everyday lives.

How to Combine Multiple Models with Scikit-learn’s Voting Classifier
Python

How to Combine Multiple Models with Scikit-learn’s Voting Classifier

Posted on May 8, 2025May 7, 2025 by Cornellius Yudha Wijaya

Image by Editor (Kanwal Mehreen) | Canva Let’s look at how to use the Scikit-Learn Voting Classifier to combine different models effectively.   Preparation We…

Understanding Residual Plots
Fundamentals

Understanding Residual Plots

Posted on April 21, 2025April 20, 2025 by Cornellius Yudha Wijaya

Many of the metrics used to evaluate the model are based on the residual, but the residual plot is a unique tool for regression analysis as it offers visual representation.

A Guide to Regular Expressions for Statisticians
Programming

A Guide to Regular Expressions for Statisticians

Posted on April 10, 2025April 10, 2025 by Cornellius Yudha Wijaya

In this article, we will explore how to use regular expressions for statisticians.

Understanding Data Organization: Structured, Unstructured & Semi-Structured
Fundamentals

Understanding Data Organization: Structured, Unstructured & Semi-Structured

Posted on April 8, 2025April 7, 2025 by Cornellius Yudha Wijaya

This article will explore the three different data organization paradigms that you need to know.

Understanding Probability Distributions in Language Models
AI

Understanding Probability Distributions in Language Models

Posted on March 3, 2025March 2, 2025 by Cornellius Yudha Wijaya

In this article, we will learn how the probability distribution works in typical language models.

Best Practices for AI-Assisted Data Analysis
AI

Best Practices for AI-Assisted Data Analysis

Posted on February 21, 2025February 20, 2025 by Cornellius Yudha Wijaya

As AI helps our data analysis work, there are some best practices we can apply to improve the process.

Understanding Statistical Error Types (Type I vs. Type II)
Fundamentals

Understanding Statistical Error Types (Type I vs. Type II)

Posted on February 19, 2025February 19, 2025 by Cornellius Yudha Wijaya

This article will explore specific errors in hypothesis tests, especially the statistical error Type I and Type II.

Understanding The Role of Assumptions in Statistics
Programming

Understanding The Role of Assumptions in Statistics

Posted on February 6, 2025 by Cornellius Yudha Wijaya

This article will explore various common statistical test assumptions and how to handle assumption violations.

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