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.

plotting ROC in R with ROCR vs pROC

I am plotting ROCs and measuring partial AUC as a metric of ecological niche model quality. As I am working …

r roc
ValueError: Data is not binary and pos_label is not specified

I am trying to calculate roc_auc_score, but I am getting following error. "ValueError: Data is not binary and …

python scikit-learn roc
How to plot a ROC curve using ROCR package in r, *with only a classification contingency table*

How to plot a ROC curve using ROCR package in r, with only a classification contingency table? I have a …

r plot classification roc
how to calculate roc curves?

I write a classifier (Gaussian Mixture Model) to classify five human actions. For every observation the classifier compute the posterior …

matlab classification threshold false-positive roc
roc curve with sklearn [python]

I have an understanding problem by using the roc libraries. I want to plot a roc curve with a python …

python machine-learning roc
How to compute AUC with ROCR package

I have fitted a SVM model and created the ROC curve with ROCR package. How can I compute the Area …

r machine-learning roc auc
How to plot multiple ROC curves in one plot with legend and AUC scores in python?

I am building 2 models. Model 1 modelgb = GradientBoostingClassifier() modelgb.fit(x_train,y_train) predsgb = modelgb.predict_proba(x_test)[:,1] metrics.…

python plot roc auc
How can I draw a ROC curve for a randomForest model with three classes in R?

I'm using the R package, randomForest, to create a model that classifies into three groups. model = randomForest(formula = condition ~ ., data = …

r plot graph roc proc-r-package
scikit-learn - ROC curve with confidence intervals

I am able to get a ROC curve using scikit-learn with fpr, tpr, thresholds = metrics.roc_curve(y_true,y_…

python scikit-learn confidence-interval roc
ROC curve for classification from randomForest

I am using randomForest package in R platform for classification task. rf_object<-randomForest(data_matrix, label_factor, cutoff=…

r random-forest roc