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 […]
Recently, I got the ‘top rated’ status on Upwork. Upwork is a global freelancing platform where business and freelancers can meet and work remotely on projects. You might question what is this top rated status is all about? Advantages Well, this status has a couple […]
Reinforcement learning is an area in Machine Learning which is quite different than supervised or unsupervised learning. This is because it is not about building a model based upon a dataset with given features and label(s). It is about software agents that take actions in […]
A while ago, I was asked to write some data science articles. One of these, an introduction to Apache Spark, can be found on simplylearn. Enjoy!
This article continues where I left with Classification for machine learning Apache Spark Apache Spark is a very popular framework in big data processing. The main reason for this: it’s fast! It can be used to parallelize your task on a cluster so it will […]