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Data Science Interview Questions
Questions Answers Views Company eMail

What is term Pearson’s Correlation Coefficient?

374

What is meant by feature vectors?

332

What is meant by R statistics?

333

Name Methods to Calculate Distance Measure?

374

Explain types of statistical data?

328

What functions are required to principal analysis in R?

434

What is need of principal component analysis?

429

What is meant by lattice graphs?

420

What do you understand by Linear Regression in R?

606

What are Principal components?

509

What is meant by lattice?

517

A dice is rolled twice, what is the probability that on the second chance it will be a 6?

Citi Bank,

335

On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?

289

You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.

Adobe,

332

How can you compute an inverse matrix faster by playing with some computation tricks?

Microsoft,

336


Post New Data Science Questions

Un-Answered Questions { Data Science }

How would you say data science is similar or different to business analytics and business intelligence?

314


What are numpy, scipy, and spark essential datatypes?

409


Why L1 regularizations causes parameter sparsity whereas L2 regularization does not?

423


How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?

531


How does data cleaning plays a vital role in analysis?

401


Why we need ggplot?

450


Can you explain data cleansing?

332


Implementing pow function

358


Define boltzmann machine

322


How will you design a recommendation engine for jobs?

358


Different between overfitting and underfitting?

434


Discuss linear regression?

332


What will be your expected earnings with the two roll strategy?

502


How do I open the terminal in pycharm?

416


Why do we need generators in Python?

456