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Data Science Interview Questions
Questions Answers Views Company eMail

What is term Pearson’s Correlation Coefficient?

333

What is meant by feature vectors?

299

What is meant by R statistics?

283

Name Methods to Calculate Distance Measure?

336

Explain types of statistical data?

283

What functions are required to principal analysis in R?

392

What is need of principal component analysis?

384

What is meant by lattice graphs?

362

What do you understand by Linear Regression in R?

559

What are Principal components?

468

What is meant by lattice?

473

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

Citi Bank,

296

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

244

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,

294

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

Microsoft,

296


Post New Data Science Questions

Un-Answered Questions { Data Science }

What do you understand by term hash table collisions?

272


What is linear optimization?

281


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.

408


How will you define the number of clusters in a clustering algorithm?

412


Explain how to merge the files into a single dataframe?

326


Which one you prefer R or Python for text analytics?

367


How do you use goal seek in excel?

365


Can you cite some examples where a false negative important than a false positive?

311


Name three types of biases that can occur during sampling?

300


What are interpolation and extrapolation?

304


Do you need a teacher to be a scientist?

292


How can you decide if one algorithm is better than the other?

414


What is jupyter ?

328


I have a string “contact@dezyre.com”. Which string function can be used to split the string into two different strings “contact@dezyre” and “com” ?

328


What approach will you follow to develop the love,like, sad feature on Facebook?

338