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.

How to plot ROC curve in Python

I am trying to plot a ROC curve to evaluate the accuracy of a prediction model I developed in Python …

python matplotlib plot statistics roc
Simple line plots using seaborn

I'm trying to plot a ROC curve using seaborn (python). With matplotlib I simply use the function plot: plt.plot(…

python matplotlib plot seaborn roc
ROC curve in R using ROCR package

Can someone explain me please how to plot a ROC curve with ROCR. I know that I should first run: …

r roc
R logistic regression area under curve

I am performing logistic regression using this page. My code is as below. mydata <- read.csv("http://www.…

r regression roc confusion-matrix
ROC for multiclass classification

I'm doing different text classification experiments. Now I need to calculate the AUC-ROC for each task. For the binary classifications, …

python scikit-learn text-classification roc multiclass-classification
Roc curve and cut off point. Python

I ran a logistic regression model and made predictions of the logit values. I used this to get the points …

python logistic-regression roc
Multiple ROC curves in one plot ROCR

Is it possible to plot the roc curve for diffrent classifiers in the same plot using the ROCR package? I've …

r plot roc
How to compute ROC and AUC under ROC after training using caret in R?

I have used caret package's train function with 10-fold cross validation. I also have got class probabilities for predicted classes …

r random-forest r-caret roc
ROC curve from training data in caret

Using the R package caret, how can I generate a ROC curve based on the cross-validation results of the train() …

r r-caret roc
Obtaining threshold values from a ROC curve

I have some models, using ROCR package on a vector of the predicted class percentages, I have a performance object. …

r roc