949 search results for "rstudio"

Data Visualization: From Excel to ???

April 26, 2013
By
Data Visualization: From Excel to ???

So you’re an excel wizard, you make the best graphs and charts Microsoft’s classic product has to offer, and you expertly integrate them into your business operations.  Lately you’ve studied up on all the latest uses for data visualization and … Continue reading →The post Data Visualization: From Excel to ??? appeared first on Data Community...

Read more »

FasteR! HigheR! StrongeR! – A Guide to Speeding Up R Code for Busy People

April 25, 2013
By
FasteR! HigheR! StrongeR! – A Guide to Speeding Up R Code for Busy People

This is an overview of tools for speeding up your R code that I wrote for the Davis R Users’ Group. First, Ask “Why?” It’s customary to quote Donald Knuth at this point, but instead I’ll quote my twitter buddy Ted Hart to illustrate a point: I’m just going to say it.I like for loops in #Rstats,...

Read more »

Interacting, on demand, with 2012 best cities data and plotting different graphs —- Experiments with ggplot2 on shiny server

April 25, 2013
By
Interacting, on demand, with 2012 best cities data and plotting different graphs —- Experiments with ggplot2 on shiny server

Data from slides on Bloomberg businessweek's site: http://images.businessweek.com/slideshows/2012-09-26/americas-50-best-citiesIn this post, I show how one can interact with a dataset and generate graphs on the fly (technically, I've predetermined...

Read more »

Python Complements R’s Shortcomings

April 23, 2013
By
Python Complements R’s Shortcomings

I’m a big fan of open-source software for research. For example, R-statistics, Qgis, and Grass GIS are awesome programs. R can do any statistical tests and numerical modeling you can imagine; if there’s not a built-in function you can write … Continue reading →

Read more »

Slides from my R intro seminar

April 23, 2013
By
Slides from my R intro seminar

Here are my slides from a short introductory seminar on R (essentially going through part I of the R tutorial) last week. As magic lantern pictures go, they’re hideously ugly, but they were mostly there for future reference. Most of the seminar was spent showing RStudio. This Friday, we’ll practice some uses of qplot and make

Read more »

Review: Kölner R Meeting 12 April 2013

April 23, 2013
By
Review: Kölner R Meeting 12 April 2013

Our 5th Cologne R user group meeting was the best attended meeting so far, with 20 members finding their way to the Institute of Sociology for two talks by Diego de Castillo on shiny and Stephan Holtmeier on cluster analysis, followed by beer and schnitzel at the Lux, a gastropub nearby.ShinyDiego gave an overview of...

Read more »

A Course in Data and Computing Fundamentals

April 19, 2013
By
A Course in Data and Computing Fundamentals

Daniel Kaplan and Libby Shoop have developed a one-credit class called Data Computation Fundamentals, which was offered this semester at Macalester College. This course is part of a larger research and teaching effort funded by Howard Hughes Medical Institute (HHMI) to help students … Continue reading →

Read more »

Presentations of the third Milano R net meeting

April 19, 2013
By

Welcome presentation Nicola Sturaro, Consultant at Quantide (download PDF, 0.5 MB) Machine learning A case of digit recognition based on a shallow neural network implemented in R. Michele Vitali, Statistical consultant (download PDF, 0.2 MB) Chess betting odds How to develop … Continue reading →

Read more »

MLB Pitcher Values

April 18, 2013
By
MLB Pitcher Values

Not the start Blue Jays fans were looking for. With a 6-9 record at the time of publication they already trail Boston (led by reviled ex-BJ manager, John Farrell) by 4.5 games. The batting has been particularly anemic but the pitching – particularly the starting rotation – has also been a concern I have whipped

Read more »

Examples for sjPlotting functions, including correlations and proportional tables with ggplot #rstats

April 18, 2013
By
Examples for sjPlotting functions, including correlations and proportional tables with ggplot #rstats

Sometimes people ask me how the examples of my plotting functions I show here can be reproduced without having a SPSS data set (or at least, without having the data set I use because it’s not public yet). So I … Weiterlesen →

Read more »