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Machine Learning Questions & Answers

Browse 121 Machine Learning questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.

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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 · 1.2K 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 · 2.0K Views · Answered ✓

Asked by: Naveen Yadav · 6 years ago

How to deal with categorical variables in Python?

Categorical variables are discrete variables present in a data which are needed to be converted into continuous variable. Now continuous variables…

Data Science · Machine Learning

1 Answer · 1.1K Views · Answered ✓

Asked by: Neha Tambe · 6 years ago

Explain K-S statistics and Population stability index.

K-S Statistic is the measure of the maximum distance between two population distributions. This parameter is useful when discriminating default…

Data Science · Machine Learning

1 Answer · 2.8K Views · Answered ✓

Asked by: Nikita Gavde · 6 years ago

Explain concordance with example.

It is a process of measuring quality of fit for a binary outcome in a model. It is a proportion of pairs in which the predicted event probability is…

Data Science · Machine Learning

1 Answer · 2.2K Views · Answered ✓

Asked by: Niharika Deshpande · 6 years ago

Explain ROC curve.

ROC or Receiver Operating Characteristic curve is a graphical representation that gives an idea between True Positive rate against False Positive…

Data Science · Machine Learning

1 Answer · 2.1K Views · Answered ✓

Asked by: Sanjana Shah · 6 years ago

Explain Akaike Information criteria.

Akaike Information Criteria or AIC, in simple words, is a trade-off between bias versus variance. It helps to calculate the relative quality of a…

Data Science · Machine Learning

1 Answer · 1.5K Views · Answered ✓

Asked by: Ira Joshi · 6 years ago

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