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Data Science Interview Questions
Questions Answers Views Company eMail

Define convex hull?

326

Write the formula to calculate r-square?

360

Explain k-mean?

322

Explain recommender system?

334

Explain the two main components of the hadoop framework?

345

Define analytics?

335

Explain the difference between data modeling and database design?

333

Define data reduction?

293

Explain data munging or data wrangling?

310

Define linear regression?

331

Define feature vector?

377

Explain the difference between sas, r and python programming?

335

Explain data cleansing?

345

Explain the differences between univariate, bivariate and multivariate analysis?

309

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

339


Post New Data Science Questions

Un-Answered Questions { Data Science }

What is a univariate analysis?

358


What is selection bias?

345


Explain why data cleansing is essential and which method you use to maintain clean data?

343


what is the difference between extrapolation and interpolation?

362


What is the best laptop for data science?

323


Why do you want to work at this company as a data scientist?

316


What makes scientific data?

360


Which is the best suitable language among python and r for text analytics?

347


When underfitting occurs in a static model?

404


What is the advantage of performing dimensionality reduction before fitting an svm?

309


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

315


How do you treat outlier data?

348


Why data cleaning plays a vital role in analysis?

386


What are big data and data science?

440


What are essential skills and training needed in data Science?

357