Data Science Interview Questions
Questions Answers Views Company eMail

What is term Pearson’s Correlation Coefficient?

198

What is meant by feature vectors?

171

What is meant by R statistics?

163

Name Methods to Calculate Distance Measure?

186

Explain types of statistical data?

173

What functions are required to principal analysis in R?

251

What is need of principal component analysis?

248

What is meant by lattice graphs?

248

What do you understand by Linear Regression in R?

434

What are Principal components?

360

What is meant by lattice?

357

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

Citi Bank,

182

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

136

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,

190

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

Microsoft,

169


Post New Data Science Questions

Un-Answered Questions { Data Science }

What is the difference between Stack and Queue

210


How is bagging different from boosting?

169


Burn two ropes, one needs 60 minutes of time to burn and the other needs 30 minutes of time. How will you achieve this in 45 minutes of time ?

180


What is difference between sas, r and python programming?

164


Describe the various steps involved while carrying out an analytical project?

198


What do you understand by confusion matrix?

169


Is it possible to capture the correlation between continuous and categorical variable?

186


Can you define cluster sampling?

177


Explain the difference between an analyst and a data scientist?

154


How will you design a recommendation engine for jobs?

211


What do you understand by bias, variance trade-off?

171


Count the total number of trees in United States.

197


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

196


How do you check for data quality?

179


Why data science and data scientists are needed?

171