Top "Roc" questions

ROC (Receiver Operating Characteristic) curve is a graphical plot comparing the true positive and false positive rates of a classifier as its discrimination threshold is varied.

ROC curve in R using rpart package?

I split Train data set and Test data set. I used a package rpart for CART (classification tree) in R (…

r classification predict roc
How to calculate AUC with tensorflow?

I've built a binary classifier using Tensorflow and now I would like to evaluate the classifier using AUC and accuracy. …

tensorflow python-3.5 roc auc
How to set a threshold for a sklearn classifier based on ROC results?

I trained an ExtraTreesClassifier (gini index) using scikit-learn and it suits my needs fairly. Not so good accuracy, but using …

python scikit-learn classification threshold roc
How to plot a ROC curve with Tensorflow and scikit-learn?

I'm trying to plot the ROC curve from a modified version of the CIFAR-10 example provided by tensorflow. It's now …

python scikit-learn tensorflow roc
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
R get AUC and plot multiple ROC curves together at the same time

I have tried 2 methods to plot ROC curve and get AUC for each ROC curve. Method 1 - The first method …

r roc auc
thresholds in roc_curve in scikit learn

I am referring to the below link and sample, and post the plot diagram from this page where I am …

python python-2.7 machine-learning scikit-learn roc
How to plot precision and recall of multiclass classifier?

I'm using scikit learn, and I want to plot the precision and recall curves. the classifier I'm using is RandomForestClassifier. …

python matplotlib scikit-learn roc precision-recall
How to deal with multiple class ROC analysis in R (pROC package)?

When I use multiclass.roc function in R (pROC package), for instance, I trained a data set by random forest, …

r data-mining random-forest roc proc-r-package
plot multiple ROC curves for logistic regression model in R

I have a logistic regression model (using R) as fit6 <- glm(formula = survived ~ ascore + gini + failed, data=records, …

r logistic-regression roc auc