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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?

 123

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.

 117

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?

 106

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

 125

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 serialization in java?

551

What is the new layer in Siebel x version?

572

List some fields from sqlca?

602

How do I create multiple sites on wordpress?

90

Unlike materials as well as materials of different thickness can be butt welded by ?

968




What are the types of type specifiers?

613

What are the types of data files?

715

how to stop execution of step 3 in a job mainframe

1700

Explain php parameterized functions.

548

Explain share capital & reserves and surpluses.

605

What are the advantages of Servlet over CGI?

656

Is error function excel?

337

What sorts of actions does the job tracker process perform?

242

I am installing a sap j2ee engine at crm. When it reaches phase 22 it halts for more than 10 minutes and gives up starting the system. What should I do?

692

What is difference between sessionfactory and session in hibernate?

168