Data Science Interview

Investigating a Dip in Key Metrics | Data Science Product Case Interview Question A Framework to Unraveling the Causes and Ace the Data Science Business Case Interview

Investigating a Dip in Key Metrics | Data Science Product Case Interview Question

In data science interviews, encountering a dip in a key metric is a common scenario that can test your problem-solving skills. Today, we’re going to explore a systematic framework that will empower you to investigate and understand the underlying causes behind such dips in critical metrics. So tighten your seatbelts as we embark on a …

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Top 12 Statistical Concepts Data Science Interview Questions Statistical concept definition and Python simulation code

Top 12 Statistical Concepts Data Science Interview Questions

Statistical concepts are commonly asked in data science and machine learning interviews. In this tutorial, we’ll delve into the top 12 interview questions related to these concepts and provide guidance on how to effectively answer them. The Python code for simulating the statistical concepts will also be provided where is applicable. Resources for this post: …

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Top 20 AB Test Interview Questions and Answers Hypothesis testing metric selection, sample size calculation, and common pitfalls

Top 20 AB Test Interview Questions and Answers

A/B testing has become an indispensable tool for businesses seeking to optimize their user experience and conversion rates. Whether you’re an aspiring analyst preparing for your next interview or a seasoned professional looking to brush up on your knowledge, this comprehensive guide on A/B test interview questions and answers is for you. You’ll be well-equipped …

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Top 10 Causal Inference Interview Questions and Answers Causal inference terms and models for data scientist and machine learning engineer interviews

Top 10 Causal Inference Interview Questions and Answers

Causal inference analysis is frequently asked during data science and machine learning interviews. This tutorial will discuss the top 10 causal inference interview questions and how to answer them. Resources for this post: Let’s get started! Question 1: What is a Directed Acyclic Graph (DAG)? Question 2: What are confounders? Confounder is also called confounding variables. …

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Top 10 Deep Learning Concept Interview Questions and Answers Neural network model terms for data scientist and machine learning engineer interviews

Top 10 Deep Learning Concept Interview Questions and Answers

Deep learning (DL) terminologies are frequently asked during data science and machine learning interviews. In this tutorial, we will discuss the top 10 neural network model concept interview questions and how to answer them. Resources for this post: Let’s get started! Question 1: What is weight initialization for a neural network model? In the python code …

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Top 10 NLP Concepts Interview Questions and Answers Natural Language Processing (NLP) terms for data scientist and machine learning engineer interviews

Top 10 NLP Concepts Interview Questions and Answers

Natural Language Processing (NLP) terminologies are frequently asked during data science and machine learning interviews. In this tutorial, we will talk about the top 10 Natual Language Processing (NLP) concepts interview questions and how to answer them. The top 10 questions are: Resources for this post: Let’s get started! Question 1: What are vocabularies, documents, …

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Top 7 Support Vector Machine (SVM) Interview Questions for Data Science and Machine Learning

The support vector machine (SVM) model is a frequently asked interview topic for data scientists and machine learning engineers. In this tutorial, we will talk about the top 7 support vector machine (SVM) interview questions and how to answer them. The 7 questions are: Resources for this post: Let’s get started! Question 1: How does …

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Top 5 Decision Tree Interview Questions for Data Science and Machine Learning Entropy, Information Gain (IG), Information Gain Ratio (IGR), Gini Impurity, pros and cons of a decision tree, and overfitting correction

Top 5 Decision Tree Interview Questions for Data Science and Machine Learning

The decision tree model is a frequently asked interview topic for data scientists and machine learning engineers. In this tutorial, we will talk about the top 5 decision tree interview questions and how to answer them. The 5 questions are: Resources for this post: Let’s get started! Question 1: What are entropy, Information Gain (IG), …

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What is a p-value? | Data Science Interview Questions and Answers

What is a p-value? | Data Science Interview Questions and Answers

Welcome to GrabNGoInfo! What is a p-value is one of the most commonly asked questions in a data science interview. In this tutorial, you will learn: Resources for this post: Let’s get started! General Strategies Firstly, let’s talk about the general strategy for answering a definition type of interview question. How to explain p-value to …

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