Data Science Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Science Interview Questions

Questions Answers Views Company eMail

What are the important skills to have in python with regard to data analysis?

328

Please explain gradient descent?

335

What is an example of a data set with a non-gaussian distribution?

329

What do you know about autoencoders?

347

How can you select k for k-means?

314

What is the difference between skewed and uniform distribution?

338

What does sas stand out to be the best over other data analytics tools?

327

What are interpolation and extrapolation?

335

What is a recommender system?

364

How do data scientists use statistics?

324

Compare sas, r, python, perl?

338

Are the expected value and mean value different?

371

Could you explain how to define the number of clusters in a clustering algorithm?

320

What are the time series algorithms?

386

What are the principal components?

342

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Un-Answered Questions { Data Science }

Why are generators used in Python?

388

Explain calculate distance methods briefly?

315

How many dentists are there in US?

397

Differentiate between data modeling and database design?

321

Name various types of deep learning frameworks

424

What is a C ++ iterator?

303

Can you explain the difference between a validation set and a test set?

309

What are the time series algorithms?

386

Count the total number of trees in United States.

330

How do you use lambda in python?

355

What do you mean by survival analysis in R?

389

How can you assess a good logistic model?

405

What are Random Forests?

344

How much ram do I need for data science?

322

You have 2 dices. What is the probability of getting at least one 4? Also find out the probability of getting at least one 4 if you have n dices.

487

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