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Data Science Interview Questions
Questions Answers Views Company eMail

What is term Pearson’s Correlation Coefficient?

335

What is meant by feature vectors?

301

What is meant by R statistics?

285

Name Methods to Calculate Distance Measure?

338

Explain types of statistical data?

289

What functions are required to principal analysis in R?

401

What is need of principal component analysis?

390

What is meant by lattice graphs?

366

What do you understand by Linear Regression in R?

562

What are Principal components?

471

What is meant by lattice?

475

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

Citi Bank,

298

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

248

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,

297

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

Microsoft,

299


Post New Data Science Questions

Un-Answered Questions { Data Science }

What is the travelling salesman problem?

268


What is bias – variance tradeoff?

270


Name Methods to Calculate Distance Measure?

338


What is nosql? Name some examples of nosql databases. What is a key value store? What is column storage? What is a document database?

263


What is cluster sampling in data science?

324


What is the goal of A/B Testing?

334


Differentiate between type I and type ii error?

308


What is the job of analytics?

321


What tools or devices help you succeed in your role as a data scientist?

319


Which one would you prefer for text analytics python or r?

290


Is anaconda free?

294


Explain how can you assess a good logistic model?

273


What is the difference between an analyst and a data scientist?

298


What is the difference between bayesian estimate and maximum likelihood estimation (mle)?

287


What is the best programming language to use in data science?

322