Marcel-Jan.eu

• Welcome
• Who is Marcel-Jan?
• My work
• Expedition Data blog
• Space
• My kitchen
• Travels
• My telescope
• In het Nederlands
• @marceljankr

My tech videos

• Rocket data in Neo4J
• Exercising data in R Studio
• Gaia data in ElasticSearch
• The ElasticSearch code
• Asteroid data in MongoDB
• Hadoop Security in a Hurry
• Landing a rocket with Python
• Asteroid dataset in Python
• More asteroids in Python
• Hadoop HA: HDFS
• Hadoop HA: YARN
• All my tech videos

My Travels (in Dutch)

• Austria,Slovenia,Italy 2019
• Spanish Pyrenees 2018
• Japan 2016
• Estonia/Finland 2015
• Dordogne 2014
• USA 2013
• Ardeche Cévennen 2012
• Italy 2010
• USA 2009
• And the rest of my travels