The first step when working with any machine learning data file is to do a preliminary investigation. The source data is named people_clean.txt and has only 12 lines to keep the main ideas of data ...

Janice D. Gobert, Michael Sao Pedro, Juelaila Raziuddin, Ryan S. Baker, From Log Files to Assessment Metrics: Measuring Students' Science Inquiry Skills Using Educational Data Mining, The Journal of ...

Poor data quality is enemy number one to the widespread, profitable use of machine learning. The quality demands of machine learning are steep, and bad data can rear its ugly head twice both in ...