![]() ![]() In a nutshell, data preparation is a set of procedures that helps make your dataset more suitable for machine learning. That’s why data preparation is such an important step in the machine learning process. But regardless of your actual terabytes of information and data science expertise, if you can’t make sense of data records, a machine will be nearly useless or perhaps even harmful. It’s the most crucial aspect that makes algorithm training possible and explains why machine learning became so popular in recent years. So, the absence of asthmatic death cases in the data made the algorithm assume that asthma isn’t that dangerous during pneumonia, and in all cases the machine recommended sending asthmatics home, while they had the highest risk of pneumonia complications. One of the most dangerous conditions that may accompany pneumonia is asthma, and doctors always send asthmatics to intensive care resulting in minimal death rates for these patients. ![]() The team used historic data from clinics, and the algorithm was accurate.īut there was with an important exception. It employed machine learning (ML) to automatically sort through patient records to decide who has the lowest death risk and should take antibiotics at home and who’s at a high risk of death from pneumonia and should be in the hospital. A healthcare project was aimed to cut costs in the treatment of patients with pneumonia. There’s a good story about bad data from Columbia University. ![]()
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