Book Image

Cracking the Data Science Interview

By : Leondra R. Gonzalez, Aaren Stubberfield
Book Image

Cracking the Data Science Interview

By: Leondra R. Gonzalez, Aaren 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)
Free Chapter
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

Introducing GenAI and LLMs

In the dynamic field of AI, language models stand as titans of NLU and generation. These models have not only revolutionized the way we interact with machines but have also sparked a renaissance in GenAI.

In this section, we’ll delve into the world of LLMs, which are generative language models trained on massive text corpora (think in terms of most of the public data available on the internet) and can contain billions of parameters. We will focus on exploring LLMs: their architecture, training, and the transformative impact they have had on various applications, from text generation to chatbots, language translation, and even creative storytelling.

Unveiling language models

At their core, language models are GenAI models – these are AI models that generate texts, images, or other forms of media.

Specifically, language models are probabilistic models that learn the patterns, structure, and semantics of NL through NLP tasks. These...