What is an example of a data set with a non-gaussian distribution?

331

How do data management procedures like missing data handling make selection bias worse?

497

A dice is rolled twice, what is the probability that on the second chance it will be a 6?

334

Name some kinds of graphs and explain how you would build them in python or r.

314

What is a/b testing in data science?

351

What does the future hold for data scientists?

353

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?

422

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

424

What are the types of business decisions?

339

What jupyter used?

312

How to run a pycharm debugging?

429

Explain the difference between a validation set and a test set?

336

What is interpolation and extrapolation?

422

What is cart and chaid? How is bagging different from boosting?

319

How long should a pip last?

374