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

Developing dashboards, reports, and KPIs

In some technical interviews, you are given a take-home technical task to complete, and this might include data visualization. In the previous section, we touched on some common dashboarding tools a data scientist might use. In this section, we will delve deeper into some best practices for your dashboards, reports, and KPIs.

As a data scientist, you’re not only tasked with uncovering insights from data but also communicating these insights effectively. This often involves creating dashboards, reports, and KPIs. While the aesthetics of your visuals are important, clarity, accuracy, and usability should always take precedence. The following are some best practices to help you create effective dashboards and reports:

  • Prioritize clarity and simplicity: Avoid cluttered or overly complex visualizations. Keep your dashboards and reports simple and intuitive. Stick to one primary message per chart and limit the number of visualizations...