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Data Science Interview Questions
Questions Answers Views Company eMail

What do you understand by the term data science?

302

What do you understand by normal distribution?

437

Do you prefer python or r for text analytics?

275

Why is resampling done?

281

What is overfitting?

411

Where to seek help in case of discrepancies in tableau?

524

What are the feature vectors?

277

What do you understand by the selection bias? What are its various types?

277

What is selection bias and why does it matter?

289

What are numpy, scipy, and spark essential datatypes?

344

why is data cleaning important for analysis?

315

Can you compare the validation set with the test set?

289

Can you explain the difference between a validation set and a test set?

265

Differentiate between data modeling and database design?

286

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

309


Post New Data Science Questions

Un-Answered Questions { Data Science }

What do you understand by ensemble learning?

309


How to install the ggplot2 package?

381


How do you build a custom function in python or r?

305


What are the various steps involved in an analytics project?

274


What is the svm algorithm?

350


Name three disadvantages of using a linear model?

326


What is the supervised learning?

287


How is data science different from data analytics?

307


What is meant by selection bias?

326


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

238


What is the importance of having a selection bias?

272


What is the best laptop for data science?

289


What do you understand by term hash table collisions?

267


You have been given the data on Facebook user's friending or defriending each other. How will you determine whether a given pair of Facebook users are friends or not?

306


What is the definition of the unit test?

292