![Online learning: Machine learning’s secret for big data](https://blogs.sas.com/content/subconsciousmusings/files/2017/10/catshopping-702x336.jpg)
In the field of machine learning, online learning refers to the collection of machine learning methods that learn from a sequence of data provided over time. In online learning, models update continuously as each data point arrives. You often hear online learning described as analyzing “data in motion,” because it