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R
Introduction to R Shiny
Alyssa is a speaker for ODSC East 2019 this April 30 to May 3! Attend her talk “Data Visualization with R Shiny.” What is R Shiny? Shiny is an R package that enables you to build interactive web apps using both the statistical power of R and the interactivity... Read more
Activities and Insights for R: Monthly Summary of Selected Trends – December 2018
In December, activities across the R ecosystem reduced from levels observed in November. This was notable in StackOverflow, meetup events, and in the downloads of R packages. The December holidays likely caused this general reduction in activities. However, the first two weeks in December saw great activity in meetup... Read more
Monthly Summary of Selected Trends, Activities, and Insights for R – November 2018
In November, activities continued to increase beyond the numbers recorded since July across the R ecosystem. This was most notable in events and in the downloads of R packages. Total package downloads from a single CRAN mirror and in one single year hit half-billion this November for the first... Read more
Monthly Summary of Selected R Trends, Activities and Insights – October 2018
In October, the spike in activities observed in September across the R ecosystem was maintained. In the following article, a summary of selected R trends, activities, and insights in October, 2018, are presented as the R language keeps trending. Data for the trends and activities summarized here were obtained... Read more
How Tidyverse Guides R Programmers Through Data Science Workflows
Whenever someone asks me how to get into data science using R, I invariably recommend checking out the tidyverse package. Tidyverse is a great launch pad for a language like R because it offers order and consistency. I studied programming language design as a CS undergrad. At the time,... Read more
Build a Multi-Class Support Vector Machine in R
Support Vector Machines (SVMs) are quite popular in the data science community. Data scientists often use SVMs for classification tasks, and they tend to perform well in a variety of problem domains. An SVM performs classification tasks by constructing hyperplanes in a multidimensional space that separates cases of different... Read more
Monthly Summary of Selected Trends, Activities, and Insights for R – September 2018
In September, there was a serious spike in activities across the R ecosystem. This article examines a summary of selected R trends, activities, and insights in September. Data for the trends and activities summarized here were obtained from popular websites used by the R community such as Google, GitHub, StackOverflow,... Read more
Sentiment Analysis in R Made Simple
Sentiment analysis is located at the heart of natural language processing, text mining/analytics, and computational linguistics. It refers to any measurement technique by which subjective information is extracted from textual documents. In other words, it extracts the polarity of the expressed sentiment in a range spanning from positive to... Read more
An Introduction to Sentence-Level Sentiment Analysis with sentimentr
Sentiment analysis algorithms understand language word by word, estranged from context and word order. But our languages are subtle, nuanced, infinitely complex, and entangled with sentiment. They defy summaries cooked up by tallying the sentiment of constituent words. Unsophisticated sentiment analysis techniques calculate sentiment/polarity by matching words back to... Read more
Monthly Summary of Selected Trends, Activities and Insights for R – August 2018
Data for the trends and activities summarized here were obtained from popular websites used by the R community such as Google, GitHub, StackOverflow, Rstudio, METACRAN and R-Bloggers StackOverflow Number of StackOverflow Questions tagged R: 4,565 (8%  down from July) Number of Answers for R questions: 4,630 (3%  up from... Read more