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Data Science Questions & Answers

Get better with each session of Data Science Training. Talk and understand the language of data and communicate your findings with different techniques and tools that you will gain expertise with the help of this online Data Science Training.

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How to implement one-hot encoding in Python and in R?

One-hot encoding is used to transform the categorical variables into dummy variables which is used in order to fit in the model.

Data Science · Machine Learning

1 Answer · 1.2K Views · Answered ✓

Asked by: Niharika Deshpande · 6 years ago

How can ROC and AUC can help us evaluate our model?

ROC curve can give us a clear idea to set a threshold value to classify the label and also help in model optimization.

Data Science · Machine Learning

1 Answer · 1.1K Views · Answered ✓

Asked by: Sneha Pandey · 6 years ago

Explain Grid Search with example and code.

Grid search is an algorithm used for tuning a model by considering every hyperparameters specified and used for evaluating a model. It is used to…

Data Science · Machine Learning

1 Answer · 1.3K Views · Answered ✓

Asked by: Ashish Sinha · 6 years ago

Explain K-Fold cross validation with code.

Cross-validation is a method which is used to estimate the performance of a model.K- Fold is used to evaluate the model on a limited data sample.

Data Science · Machine Learning

1 Answer · 1.9K Views · Answered ✓

Asked by: Naveen Yadav · 6 years ago

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