A stranger uses a search engine to find something and you do not know anything about the person. How will you design an algorithm to determine what the stranger is looking for just after he/she types few characters in the search box?

422

How do you use sql in sas, python, r languages?

355

Is jupyter open source?

326

Define cluster sampling?

335

You are given 50 cards with five different colors- 10 Green cards, 10 Red Cards, 10 Orange Cards, 10 Blue cards, and 10 Yellow cards. The cards of each colors are numbered from one to ten. Two cards are picked at random. Find out the probability that the cards picked are not of same number and same color.

461

How do you treat multicollinearity and heteroscedasticity in regression?

346

Explain the structure of artificial neural networks?

430

What do you understand by confusion matrix?

362

Explain the term binomial probability formula?

325

Differentiate between skewed and uniform distribution?

362

Explain while working on a data set, how do you select important variables?

343

What is the job of a data scientist?

350

How will you explain JOIN function in SQL to a 10 year old ?

396

What are feature vectors?

342

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

323