In the given array, move all 0's to the end of it while maintaining the relative order of the non-zero elements.
Data Associate Interview Questions
2,711 data associate interview questions shared by candidates
easy sql table manipulation, basic commands
Asked about your experience with programming languages as it relates to data analysis and research. How comfortable and willing are you to continually learning and sharpening your analytical tool set and programming languages.
1. Difference between precision and recall ? 2. What does the ROC-AUC curve tell you ? 3. Difference between modeling techniques, how is one better than the other?
Situation - DoorDash interacts with several vendors that supply several different products - DoorDash is seeing high "purchase price varience" (PPV) with many of these vendors Ask - Identify strategies for increasing vendor price accuracy - Develop system for capturing vendor complexities in an organized manner ○ Create signals alerting team of price discrepancies - Create roadmap for optimizing vendor operations to mitigate price discrepancies in the future
Presented with scenario X, “which method is being applied?” Not expected to recite definitions, but can you identify which is appropriate and why did you choose it? Can you communicate that?
Online Assessment with 3 coding problems. Data frames, Tree and two pointers.
1. Knowledge on data works 2. Industrial situation in Malaysia
It was mostly SQL questions on joins and windowing functions
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