Evaluation & Calculate Top-N Accuracy: Top 1 and Top 5
jacksparrow Evaluation & Calculate Top-N Accuracy: Top 1 and Top 5 What is Top-N Accuracy? Top-N accuracy is a metric used in machine learning to evaluate the performance of ranking models.…
August 2024
difference between StratifiedKFold and StratifiedShuffleSplit in sklearn
Difference Between StratifiedKFold and StratifiedShuffleSplit in scikit-learn In machine learning, cross-validation techniques are essential for evaluating model performance and preventing overfitting. StratifiedKFold and StratifiedShuffleSplit are two popular cross-validation strategies in…
Feature/Variable importance after a PCA analysis
Feature/Variable Importance After PCA Analysis Feature/Variable Importance After PCA Analysis Principal Component Analysis (PCA) is a powerful dimensionality reduction technique that transforms a set of correlated variables into a smaller…
Extracting an information from web page by machine learning
Extracting Information from Web Pages Using Machine Learning Introduction Web scraping is the process of automatically extracting data from websites. This data can be used for a variety of purposes,…
Normalize data before or after split of training and testing data?
Normalize Data Before or After Split? Normalize Data Before or After Split? Data normalization is a crucial step in machine learning, ensuring features have comparable scales, leading to more efficient…
What is the relation between the number of Support Vectors and training data and classifiers performance?
Understanding the Relationship between Support Vectors, Training Data, and Classifier Performance Introduction Support Vector Machines (SVMs) are powerful supervised learning models widely used for classification and regression tasks. At the…
How to detect patterns in (electrocardiography) waves?
Detecting Patterns in ECG Waves Detecting Patterns in Electrocardiography (ECG) Waves Electrocardiography (ECG) is a vital diagnostic tool used to assess the electrical activity of the heart. Analyzing the ECG…
How do I find Wally with Python?
How do I find Wally with Python? Finding Wally with Python: A Guide Introduction Ever found yourself staring at a “Where’s Wally” picture, desperately searching for that elusive red and…
What is the difference between pipeline and make_pipeline in scikit-learn?
What is the difference between pipeline and make_pipeline in scikit-learn? Scikit-learn provides powerful tools for building machine learning pipelines, which streamline the process of data preprocessing, model training, and prediction.…
classifiers in scikit-learn that handle nan/null
Classifiers in scikit-learn that handle NaN/Null In machine learning, dealing with missing data (NaN or Null) is a common challenge. Scikit-learn offers various classifiers that can handle these situations effectively.…