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Coding Questions

Master 278 questions asked by top tech companies

Data Scientist188

Software Engineer4

Data Analyst97

Data Engineer97

AI Engineer160

ML Engineer177

Quantitative Analyst71

Analytics94

Computer Vision19

Data Preprocessing13

Deep Learning Basics16

Embeddings & Retrieval10

Feature Engineering10

Linear Algebra24

ML Algorithm33

ML Evaluation20

NLP13

Optimization4

Sequence Models5

Stats Functions6

Time Series3

Transformers8


100.Refund Rate by Reason	Uber	Database	easy
101.Symmetric matrices	General	ML Coding	easy
102.Low rank matrix approximation	General	ML Coding	easy
103.Mean Absolute Percentage Error	Uber + more	ML Coding	easy
104.Top Product by Category	Amazon	Database	easy
105.Top Destination Zips	Google	Database	easy
106.Elastic Net Classifier	Google + more	ML Coding	hard
107.Gaussian Naive Bayes Classifier	Amazon + more	ML Coding	medium
108.Facebook Jan Content	Meta	Database	easy
109.One-Hot Encoding	General	Database	easy
111.AB Experiment Evaluation	Meta	Database	easy
112.Ride Refund Rate	Uber	Database	easy
113.Feature correlation filtering	General	ML Coding	medium
114.Daily Video Reactions	Google + more	Database	easy
115.Moving Median	Stripe + more	ML Coding	easy
116.Vector normalization	General	ML Coding	easy
117.Monetized to Non-monetized	Google + more	Database	medium
118.Confusion matrix for vision	Meta	ML Coding	medium
119.TF IDF	Google + more	ML Coding	medium
120.F1 Score	Google + more	ML Coding	medium

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Question of the Day

Calculate the Pearson Correlation using Numpy.

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