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Data Science Interview Questions
Questions Answers Views Company eMail

Write a function to check whether a particular word is a palindrome or not.

Microsoft,

327

How can you decide if one algorithm is better than the other?

447

What is meant by Random Forest Classifier?

306

Explain types of clustering algorithm?

315

What is the salary for a data scientist?

325

What is chi-square tests?

373

Explain OLS in brief?

354

What do you understand by Ordinary Least Squares Linear Regression?

318

What is the job of a data scientist?

350

How to install the ggplot2 package?

448

Explain each data visualization in detail?

320

What do you mean by graphics devices in data visualization?

321

Why is DBSCAN required?

353

What is the goal of the clustering?

334

Name the packages that are based on density based on the algorithm?

301


Post New Data Science Questions

Un-Answered Questions { Data Science }

Can you explain interpolation and extrapolation?

329


Name the packages that are based on density based on the algorithm?

301


What is the difference between “long” and “wide” format data?

339


Name the methods for General component analysis and explain them?

394


Can you explain root cause analysis?

309


What is a document database?

402


Explain the difference between Supervised and Unsupervised Learning through examples.

371


How regularly must an algorithm be updated?

366


Implementing pow function

357


What is meant by R statistics?

333


Differentiate between regression and classification algorithms?

325


What is the central limit theorem?

370


Which method in pandas.tools.plotting is used to create scatter plot matrix?

445


How can you decide if one algorithm is better than the other?

447


You are creating a report for user content uploads every month and observe a sudden increase in the number of upload for the month of November. The increase in uploads is particularly in image uploads. What do you think will be the cause for this and how will you test this sudden spike?

401