1468 search results for "how to import image file to r"

Trump vs. Clinton in N-grams

October 4, 2016
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Trump vs. Clinton in N-grams

Presidential election campaigns are heating up and you all know what that means. Word clouds🙂 I still remember visualizations summarizing Romney-Obama debates in 2012 but one thing that slightly bothered me back then was that almost everything I saw were just counting single words so even the one of the most memorable phrases in Obama’s

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Data analysis of the French football league players with R and FactoMineR

October 3, 2016
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Data analysis of the French football league players with R and FactoMineR

This year we’ve had a great summer for sporting events! Now autumn is back, and with it the Ligue 1 championship. Last year, we created this data analysis tutorial using R and the excellent package FactoMineR for a course at ENSAE (in French). The dataset contains the physical and technical abilities of French Ligue 1 and Ligue 2 players. … Continue...

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Visualizing Arkansas traffic fatalities, Part 2

September 30, 2016
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Visualizing Arkansas traffic fatalities, Part 2

A couple of weeks ago, I posted a map of the traffic fatalities in Arkansas in 2015. The data came from the NHTSA, and the graphic I posted was just scratching the surface. I’ve sliced the data a couple of different ways and created three more sets of visualizations about that data. For the next three posts, I’ll show...

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A book list of Learning financial data analysis using R #Rstats #Finance

September 28, 2016
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A book list of Learning financial data analysis using R #Rstats #Finance

As R is more and more popular in the industry as well as in the academics for analyzing financial data. For people unfamiliar with R, this post suggests some books for learning financial data analysis using R. From our teaching and learning R experien...

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Quick wordclouds from PubMed abstracts – using PMID lists in R

September 26, 2016
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Quick wordclouds from PubMed abstracts – using PMID lists in R

Wordclouds are one of the most visually straightforward, compelling ways of displaying text info in a graph. Of course, we have a lot of web pages (and even apps) that, given an input text, will plot you some nice tagclouds. However, when … Sigue leyendo →

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Introduction to BiclustGUI

September 26, 2016
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Introduction to BiclustGUI

BiclustGUI in R Ewoud De Troyer, University of Hasselt (CenStat) Biclustering in a GUI & Growing a GUI together! Introduction We are happy to announce the first release of the BiclustGUI on CRAN (RcmdrPlugin.BiclustGUI)! This GUI will you enable...

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Song Lyrics Across the United States

September 25, 2016
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Song Lyrics Across the United States

The inspiration for this post is a joint venture by both me and my husband, and its genesis lies more than 15 years in our past. One of the recurring conversations we have in our relationship (all long-term relationships have these, right?!) is about song lyrics and place names. I think the first time we ever had this conversation...

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Surveillance Out of the Box – The #Zombie Experiment

September 24, 2016
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Surveillance Out of the Box – The #Zombie Experiment

Abstract We perform a social experiment to investigate, if zombie related twitter posts can used as a reliable indicator for an early warning system. We show how such a system can be set up almost out-of-the-box using R - a free software environment for statistical computing and graphics. Warning: This blog entry contains toxic doses of Danish irony and sarcasm...

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R Markdown: How to number and reference tables

September 22, 2016
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R Markdown: How to number and reference tables

R Markdown is a great tool to make research results reproducible. However, in scientific research papers or reports, tables and figures usually need to be numbered and referenced. Unfortunately, R Markdown has no “native” method to number and reference table and figure captions. The recently published bookdown package makes it very easy to number and Related Post

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Multiple Regression (sans interactions) : A case study.

September 16, 2016
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Multiple Regression (sans interactions) : A case study.

Dataset: state.x77 – Standard built-in dataset with 50 rows and 8 columns giving the following statistics in the respective columns. Population: population estimate as of July 1, 1975 Income: per capita income (1974) Illiteracy: illiteracy (1970, percent of population) Life Exp: life expectancy in years (1969–71) Murder: murder and non-negligent manslaughter rate per 100,000 population (1976) HS Grad: percent high-school graduates (1970) Frost: mean…

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