Via RBloggers I noticed a tutorial today on Setting Rstudio server using Amazon Web Services (AWS). In the post Getting Started With Personal App Containers in the Cloud I described how I linked my tutum account to a Digital Ocean hosting account and then launched a Digital Ocean server. (How ...

There are many ways to turn a markdown or Rmarkdown document into a presentation. Way too many, and none of them is perfect. I made my first presentation with knitr / Rmarkdown for the tmod package. After trying various options in knitr, I decided on an approach in which the Rmarkdown ...

In my last post, I compiled and cleaned publicly available data on over 4.5 million stops over the past 11 years. I also presented preliminary summary statistics showing that blacks had been consistently stopped 3-6 times more than whites over the last decade in NYC. Since the last post, I managed to ...

In my last post, I compiled and cleaned publicly available data on over 4.5 million stops over the past 11 years. I also presented preliminary summary statistics showing that blacks had been consistently stopped 3-6 times more than whites over the last decade in NYC. Since the last post, I managed to ...

If you wish to make an apple pie from scratch, you must first invent the universe (Carl Sagan) I like Shiny and I can’t stop converting into apps some of my previous experiments: today is the turn of the harmonograph. This is a simple application since you only can ...

Sales (purchasing or conversion) Funnel is a consumer-focused marketing model which illustrates the theoretical customer journey towards the purchase of a product or service. Classically, the Sales funnel includes at least four steps: Awareness – the customer becomes aware of the existence of a product or service, Interest – actively expressing an ...