Reblogged from The Official Blog of BigML.com:
In the fourth post of the series, I compared prediction functionality and performance between each of the services. We saw that while some services may make more accurate predictions than others, the runners-up often follow closely behind. That's good news for you because it means you are free to choose among the services without being too concerned that you picked a dud when it comes to making accurate predictions.
This post contains some nice tips if you are planning some machine learning in the cloud.