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Cracking the Data Science Interview

Cracking the Data Science Interview

By : Leondra R. Gonzalez, Stubberfield
4.7 (6)
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Cracking the Data Science Interview

Cracking the Data Science Interview

4.7 (6)
By: Leondra R. Gonzalez, Stubberfield

Overview of this book

The data science job market is saturated with professionals of all backgrounds, including academics, researchers, bootcampers, and Massive Open Online Course (MOOC) graduates. This poses a challenge for companies seeking the best person to fill their roles. At the heart of this selection process is the data science interview, a crucial juncture that determines the best fit for both the candidate and the company. Cracking the Data Science Interview provides expert guidance on approaching the interview process with full preparation and confidence. Starting with an introduction to the modern data science landscape, you’ll find tips on job hunting, resume writing, and creating a top-notch portfolio. You’ll then advance to topics such as Python, SQL databases, Git, and productivity with shell scripting and Bash. Building on this foundation, you'll delve into the fundamentals of statistics, laying the groundwork for pre-modeling concepts, machine learning, deep learning, and generative AI. The book concludes by offering insights into how best to prepare for the intensive data science interview. By the end of this interview guide, you’ll have gained the confidence, business acumen, and technical skills required to distinguish yourself within this competitive landscape and land your next data science job.
Table of Contents (21 chapters)
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1
Part 1: Breaking into the Data Science Field
4
Part 2: Manipulating and Managing Data
10
Part 3: Exploring Artificial Intelligence
16
Part 4: Getting the Job

Summary

In our study of machine learning, we delved deeply into crucial concepts, obtaining significant insights. Our exploration spanned both supervised and unsupervised learning, equipping us with a diverse set of models.

In this chapter, we harnessed models ranging from linear and logistic regression to tree-based techniques such as random forests and XGBoost. These models have enabled us to capture intricate relationships and accurately estimate class probabilities. Additionally, our foray into clustering methods, including K-means, hierarchical clustering, and DBSCAN, has allowed us to master the art of extracting patterns from unlabeled data. Furthermore, our knowledge has been augmented with vital skills in hyperparameter tuning and model evaluation. We learned how to refine models using tools such as grid search and have come to understand key evaluation metrics, such as accuracy and precision.

As we gear up for data science interviews, this knowledge stands as a testament...

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83
Tech Concepts
36
Programming languages
73
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