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Data Science Interview Questions
Questions Answers Views Company eMail

What is term Pearson’s Correlation Coefficient?

370

What is meant by feature vectors?

328

What is meant by R statistics?

333

Name Methods to Calculate Distance Measure?

374

Explain types of statistical data?

323

What functions are required to principal analysis in R?

431

What is need of principal component analysis?

426

What is meant by lattice graphs?

416

What do you understand by Linear Regression in R?

605

What are Principal components?

504

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,

331

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,

328

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 }

Discuss linear regression?

328


Explain Data Science Vs Machine Learning?

340


Can you explain the difference between a Test Set and a Validation Set?

341


Why is data munging useful?

308


What do you understand by Poisson distribution?

326


How make you 3d plots/visualizations using numpy/scipy?

401


How would you add value to the company through your projects?

377


What is the difference between Stack and Queue

508


Explain while working on a data set, how do you select important variables?

343


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

339


Please explain eigenvectors and eigenvalues?

301


Which technique is used to predict categorical responses?

437


How do you do for loops in python and r?

366


How are confidence intervals constructed and how will you interpret them?

311


What is an outlier? How do you treat outlier data?

295