Top "Classification" questions

In machine learning and statistics, classification is the problem of identifying which of a set of categories a new observation belongs to, on the basis of a training set of data containing observations whose category membership (label) is known.

Using adaboost within R's caret package

I've been using the ada R package for a while, and more recently, caret. According to the documentation, caret's train() …

r machine-learning data-mining classification adaboost
Weak Classifier

I am trying to implement an application that uses AdaBoost algorithm. I know that AdaBoost uses set of weak classifiers, …

machine-learning artificial-intelligence classification adaboost
How to apply standardization to SVMs in scikit-learn?

I'm using the current stable version 0.13 of scikit-learn. I'm applying a linear support vector classifier to some data using the …

python scikit-learn classification svm normalization
TensorFlow - How to predict with trained model on a different test dataset?

I am new using TensorFlow and I don't know how to classify a picture with a trained model. I have …

python tensorflow classification deep-learning prediction
R randomForest for classification

I am trying to do classification with randomForest, but I am repeatedly getting an error message for which there seems …

r classification data-analysis random-forest
How compute confusion matrix for multiclass classification in Scikit?

I have a multiclass classification task. When I run my script based on the scikit example as the follows: classifier = …

python scikit-learn classification confusion-matrix
Image classification using SVM Python

I am currently working on a projet to perform image recognition. There is a big set of images and I …

python image-processing classification svm image-recognition
Best learning algorithm to make a decision tree in java?

I have a datasets with information like age, city, age of children, ... and a result (confirm, accept). To help modelisation …

java algorithm machine-learning classification decision-tree
Binary classification with Softmax

I am training a binary classifier using Sigmoid activation function with Binary crossentropy which gives good accuracy around 98%. The same …

binary classification keras softmax sigmoid
Python OpenCV SVM implementation

So I have a matrix with my sample images (all turned into vectors) which was run trough PCA/LDA, and …

python opencv classification svm