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

Data Science Interview Questions

Questions Answers Views Company eMail

Discuss artificial neural networks

393

Is it possible to capture the correlation between continuous and categorical variable?

337

why do you need to perform resampling?

356

What is a random forest?

313

How to determine the number of clusters in k-means clustering algorithm?

305

Discuss linear regression?

332

Which is the best suitable language among python and r for text analytics?

348

Differentiate between supervised and unsupervised learning?

314

What do you understand by bias, variance trade-off?

335

Explain reinforcement learning.

306

What do you understand by l1 and l2 regularization methods?

326

What are the differences between data science, machine learning, and artificial intelligence?

340

What do you understand by clustering?

311

Differentiate between regression and classification algorithms?

330

Explain the decision tree algorithm?

409

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Un-Answered Questions { Data Science }

What is a generating function?

365

What is the probability of pulling a different shape or a different colour card from a deck of 52 cards?

323

What do you understand by the selection bias?

321

Please explain the role of data cleaning in data analysis.

335

Explain about the various time series forecasting technqiues.

345

Describe the various steps involved while carrying out an analytical project?

337

What is column storage?

393

In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the probability that you see at least one shooting star in the period of an hour?

491

What prior subject is required to become data analyst?

358

For linear regression, what are some of the assumptions a data scientist is most likely to make?

301

What is data science with example?

362

Explain the structure of artificial neural networks?

432

What would you do to summarize a Twitter feed?

352

What is missing value imputation? How do you handle missing values in python or r?

358

What do you understand by the lattice package?

355

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