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


239.Image normalization	General	ML Coding	easy
240.Batch normalization forward pass	General	ML Coding	medium
241.Ordinal encoding	General	ML Coding	easy
242.Reviewed Post Rate	Meta	Database	easy
243.Solve Linear Systems	Google + more	ML Coding	easy
244.Dot product	General	ML Coding	easy
245.Threshold optimization	General	ML Coding	medium
246.Cumulative sum features	General	ML Coding	easy
247.Top Uber Driver	Uber	Database	easy
248.Top k embeddings retrieval	General	ML Coding	easy
249.Singular Value Decomposition	Google + more	ML Coding	medium
250.Eigenvectors and eigenspaces	General	ML Coding	medium
251.Mean pooling of embeddings	General	ML Coding	easy
252.Linear SVM Classifier	Google + more	ML Coding	medium
253.Whitespace tokenization	General	ML Coding	easy
254.Hard vs soft voting	General	ML Coding	easy
255.Total Refund Cost	Uber	Database	easy
256.RNN forward pass	General	ML Coding	easy
257.Feature standardization	Google	ML Coding	easy
258.Impute App Ratings	Apple	Database	easy

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Calculate the Pearson Correlation using Numpy.

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