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 types of business decisions?

297

What is root Linear Regression analysis?

336

What are generators in Python?

3 810

What is a data science job?

389

Which objects are iterated in python?

331

How long does it take to become a data scientist?

396

How to create survival object in R?

515

What do you mean by survival analysis in R?

348

Name the methods for General component analysis and explain them?

355

Which one you prefer R or Python for text analytics?

368

Explain how to merge data frames in R?

294

What are distance measures in R statistics?

361

What are independent graphics subsystems?

386

What is correlation in R?

350

Explain calculate distance methods briefly?

286

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Un-Answered Questions { Data Science }

Compare sas, r, python, perl?

310

What is term Pearson’s Correlation Coefficient?

335

Explain the decision tree algorithm?

338

Which technique will you use to compare the performance of two back-end engines that generate automatic friend recommendations on Facebook?

416

Can you explain data preparation?

309

What are disadvantages of bootstrap development?

325

What are interpolation and extrapolation?

305

What is a random forest?

267

Implement a sorting algorithm for a numerical dataset in Python.

326

Burn two ropes, one needs 60 minutes of time to burn and the other needs 30 minutes of time. How will you achieve this in 45 minutes of time ?

300

What are the steps involved in analytics projects?

283

What packages are used for data mining in python and r?

308

What is linear optimization?

282

Is anaconda free?

289

Will Uber cause city congestion?

384

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