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 requirements for clustering?

460

What is meant by binomial distribution?

401

What skills do you need to be a data analyst?

310

What are applications of ggplot2?

340

What do you understand by decision tree?

408

Why data science and data scientists are needed?

264

Do you need a teacher to be a scientist?

296

Which is the standard data missing marker used in pandas?

321

Which plot will you use to access the uncertainty of a statistic?

285

Write a function to extract the first name from the string?

265

What will be the output of runif (7)?

285

What does _init_.py do?

373

What is the procedure to check the cumulative frequency distribution of any categorical variable?

367

How many sorting algorithms are available?

346

Anaconda is a wikipedia programming language?

299

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Un-Answered Questions { Data Science }

How often should an algorithm be updated?

284

A building has 100 floors. Given 2 identical eggs, how can you use them to find the threshold floor? The egg will break from any particular floor above floor N, including floor N itself.

411

Given 2 vectors, how will you generate a sorted vector?

303

What is market basket analysis?

328

What are the drawbacks of the linear model?

309

Can you compare the validation set with the test set?

296

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

271

Differentiate between skewed and uniform distribution?

322

Implement a sorting algorithm for a numerical dataset in Python.

327

What is market basket analysis? How would you do it in r and python?

279

Where to seek help in case of discrepancies in tableau?

531

What is root Linear Regression analysis?

336

Implementing pow function

326

How will you fix multi-colinearity in a regression model?

285

Compare sas, r, python, perl?

311

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