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Viyaleta Apgar

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The Basics of Anomaly Detection

Basics of anomaly detection, its use-cases, and an implementation of simple yet powerful algorithm in Python

Jul 5, 2023

Scatterplot showing points of x one and x two features, color-coded with probability values. Values closer to the center of the points are lighter and colors further from the center of the two points are darker.

Jul 5, 2023

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Strategic Data Analysis (Part 1)

Data analysis and the four types of questions it attempts to answer

Oct 7, 2023

Strategic Data Analysis (Part 1)

Oct 7, 2023

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Choosing Classification Model Evaluation Criteria

Is Recall / Precision better than Sensitivity / Specificity?

Jan 25

Choosing Classification Model Evaluation Criteria

Jan 25

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Strategic Data Analysis (Part 3): Diagnostic Questions

Deep dive into the approach for answering “why” questions

Oct 26, 2023

Strategic Data Analysis (Part 3): Diagnostic Questions

Oct 26, 2023

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Strategic Data Analysis (Part 2): Descriptive Questions

Deep dive into the approach for answering descriptive questions

Oct 14, 2023

Strategic Data Analysis (Part 2): Descriptive Questions

Oct 14, 2023

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3 Use-Cases for Gaussian Mixture Model (GMM)

Feature engineering, unsupervised classification, and anomaly detection with the versatility of the GMM algorithm

Jul 27, 2023

3 Use-Cases for Gaussian Mixture Model (GMM)

Jul 27, 2023

I Made a Sky Map in Python. Here’s How.

This tutorial shows you how to create a sky map / chart in Python using skyfield library.

Oct 13, 2022

I Made a Sky Map in Python. Here’s How.

Oct 13, 2022

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First, We Must Discover. Then, We Can Explore.

A case for a structured data-discovery approach

May 25, 2022

First, We Must Discover. Then, We Can Explore.

May 25, 2022

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Is Julia actually right for you?

An overview of advantages, deal-breakers, and resources to get you started

Feb 2, 2022

Is Julia actually right for you?

Feb 2, 2022

Viyaleta Apgar

Viyaleta Apgar

"What I cannot create, I do not understand" - Feynman. Data-informed decision making, data science, insights and recommendations.

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