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Interview Question

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Cisco Interview Question | Dimension Reduction

Question
Dhruv2301 Dhruv2301
You are given a train data set having 1000 rows and 1 Million columns. The data set is based on a classification problem. You are asked to reduce the dimension of this data so that model computation time can become ...
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Interview Question 55 years 1 Answer 905 views Great Grand Master

D Cube Analytics Interview Question | SP Nesting

Question
Dhruv2301 Dhruv2301
Can a stored procedure call itself or recursive stored procedure? How many level SP nesting possible?
0
Interview Question 55 years 0 Answers 712 views Great Grand Master

D Cube Analytics Interview Question | CTE

Question
Dhruv2301 Dhruv2301
How can you use a CTE to return the fifth highest (or Nth highest) salary from a table?
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Interview Question 55 years 2 Answers 2033 views Great Grand Master

D Cube Analytics Interview Question | Imbalanced Dataset

Question
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What is one way that you would handle an imbalanced dataset that’s being used for prediction?
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Interview Question 55 years 0 Answers 718 views Great Grand Master

D Cube Analytics Interview Question | Exact Test

Question
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What is the exact test? How and when can simulations help us when we do not use an exact test?
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Interview Question 55 years 0 Answers 664 views Great Grand Master

Dunzo Interview Question | Data Handling

Question
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How do data management procedures like missing data handling make selection bias worse?
0
Interview Question 55 years 0 Answers 941 views Great Grand Master

Dunzo Interview Question | Web Crawler

Question
Dhruv2301 Dhruv2301
How to optimize a web crawler to run much faster, extract better information, and better summarize data to produce cleaner databases?
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Interview Question 55 years 0 Answers 642 views Great Grand Master

Dunzo Interview Question | Optimise Delivery

Question
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You are about to send one million email (marketing campaign). How do you optimise delivery? How do you optimise response?
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Interview Question 55 years 0 Answers 727 views Great Grand Master

Samsung Interview Question | Encoding

Question
Dhruv2301 Dhruv2301
We know that one hot encoding increasing the dimensionality of a data set. But, label encoding doesn’t. How?
0
Interview Question 55 years 0 Answers 638 views Great Grand Master

Samsung Interview Question | Correlation

Question
Dhruv2301 Dhruv2301
Is it possible to capture the correlation between continuous and categorical variables? If yes, how?
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Interview Question 55 years 0 Answers 684 views Great Grand Master
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