question stringlengths 11 711 | domain stringclasses 8 values | company stringclasses 30 values | year float64 2.02k 2.02k ⌀ | coding stringclasses 2 values | personal_exp stringclasses 2 values | category float64 0 1 |
|---|---|---|---|---|---|---|
Tell me about a time when you exceeded expectations during a project. What did you do, and how did you accomplish it? | Data Analytics | Citigroup | null | no | yes | 0 |
What are Bagging and Boosting? | Data Analytics | Citigroup | null | no | no | 0 |
What are L1 and L2 regularization? | Data Analytics | Citigroup | null | no | no | 0 |
What are Loss Functions? | Data Analytics | Citigroup | null | no | no | 0 |
What are the advantages of using Transformers? | Data Analytics | Citigroup | null | no | no | 0 |
What are the differences between CHAID and CART decision trees? | Data Analytics | Citigroup | null | no | no | 0 |
What are the different clustering algorithms? | Data Analytics | Citigroup | null | no | no | 0 |
What are the steps involved in logistic regression model building? | Data Analytics | Citigroup | null | no | no | 0 |
What are the techniques for dimensionality reduction? | Data Analytics | Citigroup | null | no | no | 0 |
What are variable reducing techniques? | Data Analytics | Citigroup | null | no | no | 0 |
What are variable-reducing techniques? | Data Analytics | Citigroup | null | no | no | 0 |
What are Z and t-tests, and when should you use each? | Data Analytics | Citigroup | null | no | no | 0 |
A model's performance can be evaluated by calculating its AUC. Would you be able to tell me how to calculate AUC for a model? | Machine Learning | Coinbase | null | no | no | 0 |
As a programmer, could you create a function that can detect which strings within a list are anagrams of each other? | Machine Learning | Coinbase | null | no | no | 0 |
Assuming a coin is biased, how would you modify it to make it fair and unbiased? | Data Science | Coinbase | null | no | no | 0 |
Build a service for streaming videos like Netflix. | Machine Learning | Coinbase | null | no | no | 0 |
Build an ad bidding platform with real-time capabilities. | Machine Learning | Coinbase | null | no | no | 0 |
Can you articulate the differences between using a confusion matrix and an ROC curve for model evaluation? | Data Science | Coinbase | null | no | no | 0 |
Can you code a binary search routine and discuss its time efficiency? Additionally, is there room for further optimization? | Machine Learning | Coinbase | null | no | no | 0 |
Can you code a fair dice roll using a random number generator and demonstrate its fairness? | Data Science | Coinbase | null | no | no | 0 |
Can you code a Python class that implements the iterator protocol for sequences? | Data Science | Coinbase | null | no | no | 0 |
Can you demonstrate a binary search technique to find the highest element in an integer list? | Machine Learning | Coinbase | null | no | no | 0 |
Can you demonstrate how to reverse a binary tree in a selected programming language? | Data Science | Coinbase | null | no | no | 0 |
Can you describe a complex data analysis project you've worked on, including the tools and techniques you used to extract insights? | Data Analytics | Coinbase | null | no | no | 0 |
Can you describe a complex data analysis project you've worked on, including the tools and techniques you used to extract insights? | Machine Learning | Coinbase | null | no | no | 0 |
Can you describe a process for determining the dot product of two sparse matrices? | Machine Learning | Coinbase | null | no | no | 0 |
Can you describe the procedural steps of the simplest method used for optimization? | Data Science | Coinbase | null | no | no | 0 |
Can you describe your experience with SQL? | Data Science | Coinbase | null | no | yes | 0 |
Can you devise a method to transform a character array from a minesweeper grid into an integer array of adjacent mine counts? | Machine Learning | Coinbase | null | no | no | 0 |
Can you devise a way to obtain seven integers with uniform probability from a function that has a probability p of returning 1? | Data Science | Coinbase | null | no | no | 0 |
Can you discuss a time when you used statistical methods such as hypothesis testing or regression analysis to derive insights from data? | Data Analytics | Coinbase | null | no | yes | 0 |
Can you discuss a time when you used statistical methods such as hypothesis testing or regression analysis to derive insights from data? | Machine Learning | Coinbase | null | no | yes | 0 |
Can you discuss the challenges associated with deep models that have numerous layers? | Machine Learning | Coinbase | null | no | no | 0 |
Can you discuss your real-world experience with NLP and its use in recommender systems? | Machine Learning | Coinbase | null | no | yes | 0 |
Can you elucidate the significance of log loss in model performance metrics? | Machine Learning | Coinbase | null | no | no | 0 |
Can you explain to me why you think Coinbase is the right fit? | Data Science | Coinbase | null | no | no | 1 |
Can you name some time series analysis models that serve as alternatives to ARIMA? | Machine Learning | Coinbase | null | no | no | 0 |
Can you outline the algorithmic time complexity for training a support vector machine? | Data Science | Coinbase | null | no | no | 0 |
Can you outline the core principles of Naive Bayes and how you establish a classification cut-off? | Machine Learning | Coinbase | null | no | no | 0 |
Can you outline your process for evaluating whether a Gaussian mixture model is appropriate for a specific data set? | Data Science | Coinbase | null | no | no | 0 |
Can you provide some insights on the effectiveness of Rectified Linear Unit as an activation function? | Machine Learning | Coinbase | null | no | no | 0 |
Coinbase aims to improve customer support. How would you use data analysis to identify common user issues and propose solutions to enhance support processes? | Data Analytics | Coinbase | null | no | no | 0 |
Coinbase aims to improve customer support. How would you use data analysis to identify common user issues and propose solutions to enhance support processes? | Machine Learning | Coinbase | null | no | no | 0 |
Coinbase is expanding globally. How would you analyze user behavior and preferences across different regions to optimize platform features and services? | Data Analytics | Coinbase | null | no | no | 1 |
Coinbase is expanding globally. How would you analyze user behavior and preferences across different regions to optimize platform features and services? | Machine Learning | Coinbase | null | no | no | 1 |
Coinbase operates in a highly regulated industry. How would you ensure compliance with data privacy regulations when handling sensitive user data? | Data Analytics | Coinbase | null | no | no | 1 |
Coinbase operates in a highly regulated industry. How would you ensure compliance with data privacy regulations when handling sensitive user data? | Machine Learning | Coinbase | null | no | no | 1 |
Coinbase values data integrity. How do you ensure data accuracy and consistency in your analysis processes? | Data Analytics | Coinbase | null | no | no | 1 |
Coinbase values data integrity. How do you ensure data accuracy and consistency in your analysis processes? | Machine Learning | Coinbase | null | no | no | 1 |
Could you describe what percentiles represent in statistics and outline the steps to find the nth percentile? Also, can you program this? | Data Science | Coinbase | null | no | no | 0 |
Could you discuss the favorable and less favorable features of Support Vector Machines? | Machine Learning | Coinbase | null | no | no | 0 |
Could you elaborate on the differences between L1 and L2 regularization techniques in regression analysis, and when it's recommended to utilize one over the other? | Data Science | Coinbase | null | no | no | 0 |
Could you explain the purposes of load balancers and reverse proxies and when each should be employed? | Machine Learning | Coinbase | null | no | no | 0 |
Could you expound on the DMatrix functionality in XGBoost and its distinction from other gradient boosting data structures? | Machine Learning | Coinbase | null | no | no | 0 |
Could you illustrate how to write Python code that computes the Fibonacci numbers? | Machine Learning | Coinbase | null | no | no | 0 |
Could you share with me a time when you went the extra mile to accomplish something? | Data Science | Coinbase | null | no | no | 1 |
Could you tell me about a community you are passionate about? | Data Science | Coinbase | null | no | no | 1 |
Could you walk me through the process of training a machine learning model and then deploying it? | Machine Learning | Coinbase | null | no | no | 0 |
Describe your experience with SQL and database querying. How do you optimize queries for performance when working with large datasets? | Data Analytics | Coinbase | null | no | yes | 0 |
Describe your process for presenting complex data analysis findings to non-technical stakeholders. How do you ensure clarity and relevance in your presentations? | Data Analytics | Coinbase | null | no | no | 1 |
Describe your process for presenting complex data analysis findings to non-technical stakeholders. How do you ensure clarity and relevance in your presentations? | Machine Learning | Coinbase | null | no | no | 0 |
Design a distributed cache system. | Machine Learning | Coinbase | null | no | no | 0 |
Design a high-performance distributed caching service. | Machine Learning | Coinbase | null | no | no | 0 |
Design a platform for distributing real-time stock data. | Machine Learning | Coinbase | null | no | no | 0 |
Design a ranking and scoring system for games. | Machine Learning | Coinbase | null | no | no | 0 |
Design a system for managing a distributed load balancer. | Machine Learning | Coinbase | null | no | no | 0 |
Design a system for real-time anomaly detection in system metrics. | Machine Learning | Coinbase | null | no | no | 0 |
Design an online booking system for a movie theater. | Machine Learning | Coinbase | null | no | no | 0 |
Develop a service to manage configuration in distributed systems. | Machine Learning | Coinbase | null | no | no | 0 |
Develop an SQL query that uses a join between the "orders" and "customers" tables to calculate the average order value for United States-based customers who have made 3 or more orders in the last month. | Data Science | Coinbase | null | no | no | 0 |
Did you encounter any difficult problems during your SQL test that you would consider hard level? | Data Science | Coinbase | null | no | no | 0 |
Discuss a conflict you had with your manager. | Data Science | Coinbase | null | no | no | 0 |
Do you know how to earn trust from your team? | Data Science | Coinbase | null | no | no | 1 |
Elaborate on the differences between the tabular and multidimensional model, highlighting the one that Azure analysis services endorse? | Machine Learning | Coinbase | null | no | no | 0 |
Explain false positives and false negatives in statistical hypothesis testing, and indicate why it's critical to understand them. | Machine Learning | Coinbase | null | no | no | 0 |
Explain how the bias-variance tradeoff functions in machine learning, and can you describe a specific scenario where this tradeoff has had a significant effect on a model's performance? | Machine Learning | Coinbase | null | no | no | 0 |
Explain the concept of dimensionality reduction and how it is useful in data analysis. | Machine Learning | Coinbase | null | no | no | 0 |
Explain to me how you would determine the shortest distance a knight can move from position A to B on an infinite chessboard. | Machine Learning | Coinbase | null | no | no | 0 |
Explain type 1 errors and their likelihood. If we change the sampling distribution and omit all measurements below the mean, what impact will this have on the possibility of a type 1 error? | Data Science | Coinbase | null | no | no | 0 |
Find expectations of a random variable with basic distribution. | Data Science | Coinbase | null | no | no | 0 |
Find the integer in a sorted array of integers from 0 to n that introduces a problem. Write a function that satisfies this requirement with a time complexity of O(log n). | Data Science | Coinbase | null | yes | no | 0 |
For a dataset with 4 behavioral variables and 20 contextual attributes that needs normalization, what would be your approach for building an unsupervised learning model that can detect outliers? Also, which evaluation metrics and visualizations would you prefer to measure the model's performance? | Machine Learning | Coinbase | null | no | no | 0 |
Give me a high-level overview of your background. | Data Science | Coinbase | null | no | no | 1 |
Given the following priorities in a professional environment: A) Doing the right and moral thing, B) Being diligent, and C) Committing to deadlines, how would you rank them in order of importance? Please explain your reasoning behind the order you've chosen. | Data Science | Coinbase | null | no | no | 1 |
Have you conducted cohort analysis before? Can you explain its importance and how you would apply it to analyze user behavior on Coinbase? | Data Analytics | Coinbase | null | no | no | 0 |
Have you conducted cohort analysis before? Can you explain its importance and how you would apply it to analyze user behavior on Coinbase? | Machine Learning | Coinbase | null | no | no | 0 |
How are k-means and KNN distinct from each other in terms of their appli | Machine Learning | Coinbase | null | no | no | 0 |
How are you the most qualified candidate for this Data Science role? | Data Science | Coinbase | null | no | no | 1 |
How can you create an algorithm to model the outcome of a biased X-sided dice roll multiple times? | Data Science | Coinbase | null | no | no | 0 |
How do Linear and RBF kernels influence the computational time complexity of SVMs? | Data Science | Coinbase | null | no | no | 0 |
How do RNNs and LSTMs vary when it comes to long-term dependency modeling? | Data Science | Coinbase | null | no | no | 0 |
How do you calculate confidence intervals for a mean in Python? | Machine Learning | Coinbase | null | no | no | 0 |
How do you determine the effectiveness of marketing campaigns using data analytics? Can you provide an example? | Data Analytics | Coinbase | null | no | no | 0 |
How do you determine the effectiveness of marketing campaigns using data analytics? Can you provide an example? | Machine Learning | Coinbase | null | no | no | 0 |
How do you generate a normally distributed dataset of 1000 points with specified mean and variance in R, conduct a summary analysis, and draw a density plot? Also, show how to accomplish this in Python on Codility. | Data Science | Coinbase | null | no | no | 0 |
How do you handle multicollinearity and what VIF values do you consider acceptable? | Data Science | Coinbase | null | no | no | 0 |
How do you identify and rectify multicollinearity in your datasets? | Machine Learning | Coinbase | null | no | no | 0 |
How do you identify multicollinearity in a dataset? | Data Science | Coinbase | null | no | no | 0 |
How do you stay updated with industry trends and advancements in data analytics? Are there specific resources or communities you follow? | Data Analytics | Coinbase | null | no | no | 1 |
How do you stay updated with industry trends and advancements in data analytics? Are there specific resources or communities you follow? | Machine Learning | Coinbase | null | no | no | 1 |
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