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Accuracy, Precision, Recall or F1?
- Calculating precision and recall for a model
- Distinguishing the model accuracy on precision and recall
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One-Hot-Encoding, Multicollinearity and the Dummy Variable Trap
- Defining One-Hot-Encoding and Multicollinearity
- Avoiding dummy variable trap
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Diving Deep with Imbalanced Data
- What is an imbalanced dataset
- Techniques to deal with an imbalanced dataset
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Handling imbalanced datasets in machine learning
- Detecting a naive behaviour
- Undersampling, oversampling and generating synthetic data
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How to Handle Imbalanced Classes in Machine Learning
- Effective ways to handle imbalanced classes
- Changing the performance metric from accuracy to precision, recall, etc.
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Upsampling with SMOTE for Classification Projects
- Difference between upsampling and SMOTE
- Parameters to be used in SMOTE
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Cost-Sensitive Logistic Regression for Imbalanced Classification
- How standard logistic regression does not support imbalanced classification.
- How logistic regression can be modified to weight model error by class weight when fitting the coefficients.
- How to configure class weight for logistic regression and how to grid search different class weight configurations.
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Rescaling Data for Machine Learning in Python with Scikit-Learn
- Data Rescaling, Data Normalization, and Data Standardization
- When to use Normalization and when to use Standardization
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How to customize Seaborn Correlation Heatmaps
- Adjusting figure size, value of the color scale, etc.
- Showing the value of earson correlation coefficiens
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20 Machine Learning Interview Questions You Must Know for Data Scientists
- Some important machine learning and data science interview questions
- What is PCA, ensemble learning, etc.