Machine Learning

Dunzo Interview Question | Improve Model

Question

You came to know that your model is suffering from low bias and high variance. How will you tackle this situation?

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Machine Learning 55 years 3 Answers 842 views Great Grand Master

Samsung Interview Question | ML Algorithm

Question

Considering the long list of the machine learning algorithm, given a data set, how do you decide which one to use?

Machine Learning 55 years 0 Answers 644 views Great Grand Master

Samsung Interview Question | Lasso Regression

Question

When is Ridge regression favourable over Lasso regression? Give examples to support your answer.

in progress 0

Machine Learning 55 years 0 Answers 1195 views Great Grand Master

Samsung Interview Question | Important Variable

Question

While working on a data set, how do you select important variables? Explain your methods.

Machine Learning 55 years 0 Answers 608 views Great Grand Master

Nvidia Interview Question | Naive Bayes Classifier

Question

How can we use the Naive Bayes classifier for categorical features? What if some features are numerical?

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Machine Learning 55 years 1 Answer 2370 views Great Grand Master

Nvidia Interview Question | Seasonality

Question

In time series modelling how can we deal with multiple types of seasonality like weekly and yearly seasonality?

in progress 1

Machine Learning 55 years 1 Answer 846 views Great Grand Master

Dunnhumby Interview Question | Outliers

Question

In the same iris dataset, you have been assigned the task of identifying outliers. You must be able to provide a comprehensive glimpse of the dataset using a suitable visualization. What method would you choose and why?

Machine Learning 55 years 0 Answers 730 views Great Grand Master

Dunnhumby Interview Question | Effectiveness

Question

What evaluation approaches would you work to gauge the effectiveness of a machine learning model?

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Machine Learning 55 years 1 Answer 685 views Great Grand Master

Tiger Analytics Interview Question | Data Cleaning

Question

What are the steps for wrangling and cleaning data before applying machine learning algorithms?

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Machine Learning 55 years 1 Answer 742 views Great Grand Master

Tiger Analytics Interview Question | Naive Bayes

Question

Why is Naive Bayes so bad? How would you improve a spam detection algorithm that uses naive Bayes?

Machine Learning 55 years 0 Answers 629 views Great Grand Master

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