Data Science Interview Questions
Questions Answers Views Company eMail

What are the types of business decisions?

183

What is root Linear Regression analysis?

225

What are generators in Python?

3 331

What is a data science job?

235

Which objects are iterated in python?

194

How long does it take to become a data scientist?

200

How to create survival object in R?

321

What do you mean by survival analysis in R?

220

Name the methods for General component analysis and explain them?

240

Which one you prefer R or Python for text analytics?

202

Explain how to merge data frames in R?

198

What are distance measures in R statistics?

216

What are independent graphics subsystems?

220

What is correlation in R?

226

Explain calculate distance methods briefly?

156


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Un-Answered Questions { Data Science }

Explain the term "data warehouse".

158


How will you impute missing information in a dataset?

195


What exactly does a data scientist do?

200


Where is association analysis used?

214


Why is Python used in data science?

185


Explain difference between binomial and Poisson distribution?

179


How is true positive rate and recall related?

149


What is machine learning and how can it be used for time series analysis?

168


Explain the difference between data science, machine learning and artificial intelligence?

176


What is term Pearson’s Correlation Coefficient?

204


What is the definition of the unit test?

188


How will you define the number of clusters in a clustering algorithm?

199


Differentiate between data modeling and database design?

188


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?

286


What do you understand by the lattice package?

189