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Data Science Interview Questions
Questions Answers Views Company eMail

What do you mean by p-value?

272

What is the 80/20 rule?

284

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

291

What is the roc curve?

307

What is the aim of a/b testing?

264

Define naive bayes?

271

How is data science different from data analytics?

306

What is the 80/20 rule? Explain its importance in model validation?

274

Explain box cox transformation?

346

Explain the decision tree algorithm, and how is it different from the random forest algorithm?

275

What is the svm algorithm?

348

Explain the importance of 80/20 rule in model validation?

299

Explain the term "data warehouse".

312

What do you understand by ensemble learning?

309

What do you understand by confusion matrix?

315


Post New Data Science Questions

Un-Answered Questions { Data Science }

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

296


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

325


What are distance measures in R statistics?

354


How to choose the right chart in case of creating a viz?

261


Explain reinforcement learning.

248


What is the 80/20 rule?

284


Describe univariate, bivariate and multivariate analysis?

256


Explain calculate distance methods briefly?

277


How will you overcome overfitting in predictive models?

374


What are Principal components?

460


Which package is used to do data import in r and python?

290


What approach will you follow to develop the love,like, sad feature on Facebook?

332


Anaconda is a wikipedia programming language?

293


What is the job of analytics?

312


Can you use machine learning for time series analysis?

288