Data Science Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Science Interview Questions

Questions Answers Views Company eMail

What are decorators in Python?

2 1231

What is the return type of the function ID?

300

What is a C ++ iterator?

278

Which methods are defined for a class of iterators?

317

Define the unit test with PyUnit?

328

Python or R is better for data science?

368

What are the drawbacks of the linear model?

309

What education is required for data science role?

288

Why do we need generators in Python?

401

What is the difference between iterator and generator in Python?

369

What are iterators in Python?

323

What does ITER () do in Python?

427

Python is enough for data science ?

310

What is a generating function?

313

Which language is best for data science?

303

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Un-Answered Questions { Data Science }

What is the 80/20 rule?

294

What are the principal components?

319

What is the correlation in r?

296

A disc is spinning on a spindle and you don't know the direction in which way the disc is spinning. You are provided with a set of pins.How will you use the pins to describe in which way the disc is spinning?

409

What is data science? Also, list the differences between supervised and unsupervised learning.

284

What do you understand by the selection bias?

286

Define a sql query? What is the difference between select and update query?

328

Can you explain recommender system?

294

What is an api?

322

Can you explain interpolation and extrapolation?

286

Can you explain eigenvalue and eigenvector?

315

How is a normal distribution different from chi square distribution?

312

Implementing pow function

326

What is a linear regression in data science?

306

How decision tree algorithm is different from the random forest algorithm?

302

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