sending an attachment with Amazon SES using Java

Sometimes data scientists need to write software that sends out automated e-mails, and sometimes those e-mails must carry attachments. Here is how to do so in Java using Amazon’s Simple Email Service (SES), which is an inexpensive outbound email service built on Amazon’s cloud infrastructure. Note: Be sure to log into Amazon SES and verify […]

EC2 spot instance price change: no correlation with day of week

My plans for world domination involve heavy use of Amazon EC2 instances, but I have to be frugal about it so I’m running spot instances to save cash. Therefore a means of forecasting spot instance prices would be helpful. Thus far I’ve had little success using mainstream forecasting tools such as ARIMA and exponential smoothing. […]

test driving Amazon Web Services’ Elastic MapReduce

Hadoop provides software infrastructure for running MapReduce tasks, but it requires substantial setup time and availability of a compute cluster to take full advantage of. Amazon’s Elastic MapReduce (EMR) solves these problems; delivering pre-configured Hadoop virtual machines running on the cloud for only the time they are required, and billing only for the computation minutes […]