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

Data Science Interview Questions

Questions Answers Views Company eMail

How to choose the right chart in case of creating a viz?

315

Can you provide examples for other computations in spark?

275

Describe univariate, bivariate and multivariate analysis?

298

Can you enumerate the various differences between supervised and unsupervised learning?

323

what is the difference between extrapolation and interpolation?

357

How do you work towards a random forest?

321

If you had to choose between the programming languages r and python, which one would you use for text analytics?

399

What are the various steps involved in an analytics project?

337

What do you understand by linear regression and logistic regression?

387

Why data cleaning plays a vital role in the analysis?

386

What is a/b testing in data science?

347

Please explain recommender systems along with an application?

359

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

296

What is supervised learning?

306

Could you draw a comparison between overfitting and underfitting?

407

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Un-Answered Questions { Data Science }

What are the differences between overfitting and underfitting?

427

What prior subject is required to become data analyst?

354

What are the various classification algorithms?

357

Write the code to reverse a Linked list.

436

Explain about string parsing in R language

345

Can you explain collaborative filtering?

457

Why is DBSCAN required?

353

What is meant by lattice graphs?

417

Do gradient descent methods always converge to same point?

343

What is a univariate analysis?

354

Can you define linear regression?

318

What is back propagation and explain it’s working.

336

Define analytics?

328

How do you do data import in sas?

341

What exactly does a data scientist do?

360

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