Since almost a year, I am working intensely with a data visualization library in R called CanvasXpress. It is a htmlwidget, which means that it’s a wrapper around a Javascript library. Connie Brett, the maintainer of this library, has introduced me to it. I am […]
Okay, let’s face it, the whole world has been into cryptocurrencies lately. Bitcoin (BTC), the first cryptocurrency (in fact, the first digital currency to solve the double-spend problem) introduced by Satoshi Nakamoto has become bigger than well-established companies. A lot of crypto followers and investors […]
Remote data scientists is a group of people working in the field of data science which do their work (totally) remotely. I recently started this group since it’s a good way to connect with other data scientists that are in a similar situation. Most of […]
Do you need to edit some data in your webapplication? If you are building an R shiny app, you can use the Rhandsontable package for it. I have used it a couple of times now and though there are some points for improvement for this […]
Speed skating is one of my favorite sports to practice and to watch. This winter the Winter Olympics will be held in PyeongChang, South-Korea. Will the Dutch be as dominant as they were in Sochi? That will be a big challenge. Since I was curious about […]
Recently I have done a project for GrowthFocus, an Australian company that helps clients with acquisitions, growth and exit strategies. This client wanted to visualize the locations of their consultants on a map. So he gave me a csv file with 70000 data points and […]
Since a couple of years I am using the shiny package in R for interactive data visualization. It started as a tool for exploratory analysis but it’s getting more popular and it has more use cases now. For example I have helped a client with […]
Recently I have worked a lot with R and shiny to create interactive data visualizations or dashboards. Because I have learned some small tricks to make applications better, more intuitive and faster, I thought it might be good to share them. I have created a […]
While travelling in South East Asia, I noticed the air quality issues in some bigger cities. It affects peoples lives directly because they might get breathing problems, will stay only inside buildings and/or are wearing masks. When people will know that at a certain time […]
Recently, I decided to migrate my shiny apps to amazon webservices. Most of them were running on the shinyapps.io platform. Why did I decide to migrate my apps? In the free version of shinyapps it is only possible to deploy 5 apps which is not […]