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WalMart Data Science Interview Questions

Questions Answers Views Company eMail

Write the code to reverse a Linked list.

442

What assumptions does linear regression machine learning algorithm make?

362

What data structures are available in the Pandas package in Python programming language?

367

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

What do you understand by parametric and non-parametric methods? Explain with examples.

329

State some use cases where Hadoop MapReduce works well and where it does not.

346

How will you fix multi-colinearity in a regression model?

337

Have you used sampling? What are the various types of sampling have you worked with?

322

What is the difference between an iterator, generator and list comprehension in Python?

364

What is the difference between a bagged model and a boosted model?

335

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Un-Answered Questions

Why do we need to call CG.SupressFinalize?

995

Contract documentation is an input to the Contract Closeout process. Contract documentation might include all of the following except: A. Supporting documents B. Contract changes C. Financial documents D. Procurement audit documents

1049

How #define works?

1115

Explain why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

990

What do you hope to achieve in your career in the field of AI?

169

Change the url for a hyperlink using jquery?

913

how would you do the unloading non-cumulative cubes.

1001

What is maximum continuos Rating?

2087

How do I get to the windows desktop?

853

As jobs become more team-oriented, assessment centers will be used more often for non-management jobs. Do you agree or disagree?

2090

What is the quickest way to open an ubuntu terminal in a particular directory?

686

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

2288

What is the disadvantage of using contexts? : sap bobi

840

What is speculative execution in spark?

322

Sample test cases for data conversion(Utility billing system)

7525