Packages for SVM/Neural
Maptpx: Posterior maximization for topic models(LDA) in text analysis.
Packages for SVM/Neural:
Kernlab: Kernel-based machine learning methods for classification, regression, clustering, novelty detection, quantile regression and dimensionality reduction.'kernlab; includes Support Vector Machines, Spectral Clustering, Kernel PCA, Gaussian Processes and QP solver
Neuralnet: Training of neural networks using backpropagation, resilient backpropagation, allows flexible settings through custom-choice of error and activation function.
Packages for Twitter:
twitter:It provides an interface to the Twitter web API.
base64enc: It provides tools for handling base64 encoding. This is more flexible than the orphaned base64 package.
Httpuv: It provides protocol support for handling HTTP and WebSocket requests directly from R.It is a building block for other packages.