183 search results for "googlevis"

Explore Kaggle Competition Data with R

December 23, 2014
By
Explore Kaggle Competition Data with R

I wanted to pick a topic that involved some webscraping and so decided to get some data from Kaggle. I put down some questions that could potentially be answered with some fairly basic plots. Is prize money a key motivator … Continue reading →

Read more »

Sequence of shopping carts in-depth analysis with R

December 4, 2014
By
Sequence of shopping carts in-depth analysis with R

Although the sankey diagram from the previous post provided us with a very descriptive tool, we can consider it a rather exploratory analisys. As I mentioned, sequence mining can give us the opportunity to recommend this or that product based on previous purchases, but we should find the right moment and patterns in purchasing behavior.... Read More »

Read more »

Sequence of shopping carts analysis with R – Sankey diagram

October 31, 2014
By
Sequence of shopping carts analysis with R – Sankey diagram

We studied how we can visualize the structure of a shopping cart in the previous post. Although you can find a great deal of materials on how to analyze combinations of products in the shopping cart (e.g. via association rules), there is a lack of sources on how to analyze the sequences of shopping carts.... Read More »

Read more »

Running RStudio via Docker in the Cloud

September 30, 2014
By
Running RStudio via Docker in the Cloud

Deploying applications via Docker container is the current talk of town. I have heard about Docker and played around with it a little, but when Dirk Eddelbuettel posted his R and Docker talk last Friday I got really excited and had to have a go myself....

Read more »

Managing R package dependencies

September 23, 2014
By
Managing R package dependencies

One of my take aways from last week's EARL conference was that R is more and more growing out of its academic roots into the enterprise. And with that come some challenges, e.g. how do I ensure consistent and systematic access to a set of R packages in an organisation, in particular when one team is providing...

Read more »

All Data Journalism Graduates in a Map

September 6, 2014
By

This week I got my certificate of completion from the course "Doing Journalism with Data: First Steps, Skills and Tools"(if you like...

Read more »

Google Charts in R Markdown

September 3, 2014
By

Introduction Extrapolation Introduction An excellent little post (Zoom, zoom googleVis) showed up recently on R-Bloggers. The author Markus Gesmann is the maintainer of the googleVis package that links R to the Google Charts API. My first thought was: could I embed charts like those in R Markdown documents that could knit to...

Read more »

GrapheR: A GUI for base graphics in R

August 12, 2014
By
GrapheR: A GUI for base graphics in R

How did I miss the GrapheR package? The author, Maxime Hervé, published an article about the package in the same issue of the R Journal as we did on googleVis. Yet, it took me a package update notification on CRANbeeries to look into GrapheR in more detail - 3 years later! And...

Read more »

Results of the Readers’ Survey

August 5, 2014
By
Results of the Readers’ Survey

 First of all, let me say “Thank You” to all of the 357 people who completed the survey. I was hoping for 100, so needless to say the response blew away my expectations. This endeavor seems like a worthwhile effort to do once a year. Next year I will refine the...

Read more »

Do you believe in World Cup superstition?

June 24, 2014
By
Do you believe in World Cup superstition?

If you believe in supernatural causality, you will love what the numbers of the World Cup have to say which team is going to win this Cup in Brazil. According to this numerology approach neither Brazil nor Germany or Netherlands will be the winner, but Uruguay. The table below shows my reason. This was produced

Read more »