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Data Science Interview Questions
Questions Answers Views Company eMail

What makes scientific data?

354

What are feature vectors?

342

Among python and r, which one is generally preferred for text analytics?

349

What is the difference between a cluster and systematic sampling?

340

Describe some assumptions considered important for linear regression?

312

What is selection bias?

339

Differentiate between type I and type ii error?

337

Give an example of a data set that has a non-gaussian distribution?

349

What is the importance of data cleaning in analysis?

319

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

330

Different between overfitting and underfitting?

431

Differentiate between skewed and uniform distribution?

362

Why is dimensional reduction performed before fitting a support vector machine (svm)?

366

What is the importance of selection bias?

343

What is the purpose of a/b testing?

340


Post New Data Science Questions

Un-Answered Questions { Data Science }

What is meant by linear regression?

309


How often should an algorithm be updated?

328


What do you do as a data scientist?

347


What is a generating function?

364


What are the types of biases that can occur during sampling?

353


What is the jupyter center ?

475


Treating a categorical variable as a continuous variable would result in a better predictive model?

329


Discuss 'naive' in a naive bayes algorithm?

352


Do you need a teacher to be a scientist?

334


What is the role of activation function?

503


Why is DBSCAN required?

353


Explain the steps for a data analytics project

456


Define data discretization?

299


Define linear regression?

331


What is the difference between a cluster and systematic sampling?

340