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WalMart Data Science Interview Questions
Questions Answers Views Company eMail

Write the code to reverse a Linked list.

 179

What assumptions does linear regression machine learning algorithm make?

 125

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

 125

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?

 212

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

 98

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

 120

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

 101

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

 108

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

 127

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

 129

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WalMart Data Science Interview Questions


Un-Answered Questions

What is yield in ruby?

5

Difference between global and parameter variables?

1462

Can we run ubuntu on windows?

356

What is concentration gradient?

503

Write a program to reverse a given number in c?

603




how is the future of tandem mainframe?

2873

how many drives do you have?

505

Can Ambari manage multiple clusters?

56

What is the difference between an ADO.NET Dataset and an ADO Recordset?

552

What is Compliance?

1656

Explain can you vertically scale an amazon instance? How?

154

What are the possible ways to bind component properties to an associated template?

437

Does hibernate use jdbc?

157

Why are b trees used?

513

How do I convert pdf to xml?

462