SQL, machine learning related questions
Data Scientist Senior Interview Questions
3,382 data scientist senior interview questions shared by candidates
Focus on my projects, AWS knowledge, data science and ML basics
One of the questions at the panel interview focused on how to handle high-cardinality categorical variables in a model, especially when a naive approach could introduce noise or performance issues. The discussion was very practical and centered on trade-offs rather than theoretical tricks.
For a regression, under which assumptions MSE and log-likelihood are proportional?
Mathematical Modeling questions
1. Case studies related to the main skills they looking for as job descriptions. 2. If you have really done the work mentioned on your resume just dive in-depth into it. 3. Be confident, a professional look are important
Asked on experience with data science technologies - Spark, Python, R..
Q: Definir c'est quoi overfitting?
Experiencia laboral, detalle de personal a cargo, habilidades blandas, formación académica. Solo cuando me entrevisto el manager de otro país tuve algunas preguntas técnicas que escaparon a mi conocimiento.
write a function that is being fed 2 arrays and outputs the root mean squared error for them.
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