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 for a binary classifier in MATLAB

I have a binary classifier, which classifies an input X as class zero if its predicted value is below some …

matlab classification roc
Plotting an ROC curve in glmnet

EDIT: As Dwin pointed out in the comments, the code below is not for an ROC curve. An ROC curve …

r plot machine-learning roc glmnet
How can I get The optimal cutoff point of the ROC in logistic regression as a number

I would like to get the optimal cut off point of the ROC in logistic regression as a number and …

r roc
SVM in R: "Predictor must be numeric or ordered."

I'm new to R and I've ran into this problem: I want to compare two prediction techniques (Support Vector Machines …

r svm roc proc-r-package
How to Plot ROC curve with matplotlib/python

I want to plot a ROC curve in python with matplotlib and want to show it like this: Say we …

python-3.x matplotlib roc
Plot ROC curve from Cross-Validation (training) data in R

I would like to know if there is a way to plot the average ROC Curve from the cross-validation data …

r r-caret roc auc
plot.roc for multiclass.roc in pROC package?

I am trying to plot multiclass ROC curves but I have not found anything fruitful in the pROC package. Here's …

r roc auc
Plotting a ROC curve in scikit yields only 3 points

TLDR: scikit's roc_curve function is only returning 3 points for a certain dataset. Why could this be, and how do …

python validation machine-learning scikit-learn roc
Using cross validation and AUC-ROC for a logistic regression model in sklearn

I'm using the sklearn package to build a logistic regression model and then evaluate it. Specifically, I want to do …

python scikit-learn logistic-regression cross-validation roc
Manually calculate AUC

How can I obtain the AUC value having fpr and tpr? Fpr and tpr are just 2 floats obtained from these …

python predict roc auc false-positive