Articles by mlampros

Extreme Learning Machine

July 4, 2018 | mlampros

As of 2018-06-17 the elmNN package was archived and due to the fact that it was one of the machine learning functions that I used when I started learning R (it returns the output results pretty fast too) plus that I had to utilize the package last week for ... [Read more...]

Non Metric Space (Approximate) Library in R

February 26, 2018 | mlampros

The nmslibR package is a wrapper of NMSLIB, which according to the authors “… is a similarity search library and a toolkit for evaluation of similarity search methods. The goal of the project is to create an effective and comprehensive to... [Read more...]

Regularized Greedy Forest in R

February 13, 2018 | mlampros

This blog post is about my newly released RGF package (the blog post consists mainly of the package Vignette). The RGF package is a wrapper of the Regularized Greedy Forest python package, which also includes a Multi-core implementation (Fast... [Read more...]

Geospatial Queries using Pymongo in R

August 6, 2017 | mlampros

Since I submitted the geojsonR package I was interested in running geospatial MongoDB queries using GeoJson data. I decided to use PyMongo (through the reticulate package) after opening two Github issues here and here. In my opinion, the PyMo... [Read more...]

Processing of GeoJson data in R

March 28, 2017 | mlampros

This blog post is about my recently released package on CRAN, geojsonR. The following notes and examples are based mainly on the package Vignette. “GeoJSON is an open standard format designed for representing simple geographical features, ... [Read more...]

Text Processing using the textTinyR package

January 5, 2017 | mlampros

This blog post is about my recently released package on CRAN, textTinyR. The following notes and examples are based mainly on the package Vignette. The advantage of the textTinyR package lies in its ability to process big text data files in ... [Read more...]

Clustering using the ClusterR package

September 11, 2016 | mlampros

This blog post is about clustering and specifically about my recently released package on CRAN, ClusterR. The following notes and examples are based mainly on the package Vignette. Cluster analysis or clustering is the task of grouping a set... [Read more...]

Kernel k nearest neighbors

July 9, 2016 | mlampros

This blog post is about my recently released package on CRAN, KernelKnn. The package consists of three functions KernelKnn, KernelKnnCV and knn.index.dist. It also includes two data sets (housing data, ionosphere), which will be used here to ... [Read more...]

OpenImageR, an image processing toolkit

July 7, 2016 | mlampros

This blog post is about my recently released package on CRAN , OpenImageR. The package supports functions for image pre-processing, filtering and image recognition and it uses RccpArmadillo extensively to reduce the execution time of computat... [Read more...]

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