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Data Science Interview Questions
Questions Answers Views Company eMail

Discuss artificial neural networks

343

Is it possible to capture the correlation between continuous and categorical variable?

303

why do you need to perform resampling?

306

What is a random forest?

269

How to determine the number of clusters in k-means clustering algorithm?

268

Discuss linear regression?

292

Which is the best suitable language among python and r for text analytics?

306

Differentiate between supervised and unsupervised learning?

262

What do you understand by bias, variance trade-off?

288

Explain reinforcement learning.

257

What do you understand by l1 and l2 regularization methods?

282

What are the differences between data science, machine learning, and artificial intelligence?

298

What do you understand by clustering?

271

Differentiate between regression and classification algorithms?

295

Explain the decision tree algorithm?

340


Post New Data Science Questions

Un-Answered Questions { Data Science }

Explain the difference between bayesian estimate and maximum likelihood estimation (mle)?

300


Give an example of a data set that has a non-gaussian distribution?

308


How will you test a machine learning model for accuracy?

287


In k-means or knn, we use euclidean distance to calculate the distance between nearest neighbors. Why not manhattan distance?

381


How do you handle missing values in python or r?

290


Different between overfitting and underfitting?

370


Define boltzmann machine

282


Explain systematic sampling?

282


How to check the frequency distribution of a categorical variable?

328


What is an api? What are apis used for?

291


Write the code to sort an array in numpy by the nth column?

308


Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?

435


Explain data preparation?

271


How do I open the terminal in pycharm?

370


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

302