I did a study on leveraging machine learning to predict chargebacks and will be speaking on it here: https://conf.splunk.com/ https://conf.splunk.com/ If you h

I did a study on leveraging machine learning to predict chargebacks and will be speaking on it here: https://conf.splunk.com/ https://conf.splunk.com/ If you have enough data (clean transactions and transactions marked as chargebacks) - and willing to do private study - I'd be happy to help (no cost).