Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

Data Science Interview Questions
Questions Answers Views Company eMail

What will you do if removing missing values from a dataset cause bias?

Airbnb,

364

How can you reduce bias in a given data set?

Airbnb,

360

How will you impute missing information in a dataset?

Airbnb,

347

Estimate the probability of a disease in a particular city given that the probability of the disease on a national level is low.

Amazon,

347

How will inspect missing data and when are they important for your analysis?

Amazon,

387

How will you decide whether a customer will buy a product today or not given the income of the customer, location where the customer lives, profession and gender? Define a machine learning algorithm for this.

Amazon,

292

From a long sorted list and a short 4 element sorted list, which algorithm will you use to search the long sorted list for 4 elements.

Amazon,

328

How can you compare a neural network that has one layer, one input and output to a logistic regression model?

Amazon,

294

How do you treat colinearity?

Amazon,

319

How will you deal with unbalanced data where the ratio of negative and positive is huge?

Amazon,

322

What is the difference between Stack and Queue

Amazon,

508

What is the difference between Linkedin and Array

Amazon,

425

You are about to get on a plane to Seattle, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it's raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in Seattle.

Facebook,

336

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?

Facebook,

366

Estimate the number of square feet pizza's eaten in US each year.

Goldman Sachs,

346


Post New Data Science Questions

Un-Answered Questions { Data Science }

Can you provide examples for other computations in spark?

275


What are iterators in Python?

380


Differentiate between supervised and unsupervised learning?

307


What education is required for data science role?

332


Different between overfitting and underfitting?

426


What is the difference between a bagged model and a boosted model?

334


State the difference between the expected value and mean value?

345


What is meant by feature vectors?

328


Write the code to reverse a Linked list.

436


I have a string “contact@dezyre.com”. Which string function can be used to split the string into two different strings “contact@dezyre” and “com” ?

366


Check whether a given integer is a palindrome or not without converting it to a string.

392


Develop an algorithm to sort two lists of sorted integers into a single list.

320


What is the aim of a/b testing?

318


What is meant by lattice graphs?

417


How do data scientists code in r?

340