Top "Precision-recall" questions

Precision and Recall are statistical measures of performance for information retrieval algorithms based on binary classification.

Calculate Precision and Recall

I am really confused about how to calculate Precision and Recall in Supervised machine learning algorithm using NB classifier Say …

machine-learning precision-recall
Accuracy, precision, and recall for multi-class model

How do I calculate accuracy, precision and recall for each class from a confusion matrix? I am using the embedded …

r machine-learning confusion-matrix precision-recall
How to compute precision and recall in clustering?

I am really confused how to compute precision and recall in clustering applications. I have the following situation: Given two …

cluster-analysis precision-recall
Is there any function to calculate Precision and Recall using Matlab?

I have problem about calculating the precision and recall for classifier in matlab. I use fisherIris data (that consists of 150 …

matlab knn confusion-matrix precision-recall
Computing precision and recall in Named Entity Recognition

Now I am about to report the results from Named Entity Recognition. One thing that I find a bit confusing …

nlp precision-recall
What is a threshold in a Precision-Recall curve?

I am aware of the concept of Precision as well as the concept of Recall. But I am finding it …

machine-learning classification auc precision-recall model-comparison
How to get accuracy precision, recall and ROC from cross validation in Spark ml lib?

I am using Spark 2.0.2. I am also using the "ml" library for Machine Learning with Datasets. What I want to …

scala apache-spark machine-learning precision-recall
Computing F-measure for clustering

Can anyone help me to calculate F-measure collectively ? I know how to calculate recall and precision, but don't know for …

cluster-analysis data-mining precision-recall
How To Calculate F1-Score For Multilabel Classification?

I try to calculate the f1_score but I get some warnings for some cases when I use the sklearn …

scikit-learn metrics multilabel-classification precision-recall
How to interpret almost perfect accuracy and AUC-ROC but zero f1-score, precision and recall

I am training ML logistic classifier to classify two classes using python scikit-learn. They are in an extremely imbalanced data (…

machine-learning classification roc precision-recall