Charting time series as calendar heat maps in R
blog.revolution-computing.com
blog.revolution-computing.com
Product Sales on the Shopify platform ( ~ 5000 e-commerce stores) for the past two years:
http://img.skitch.com/20091103-rmsiithcy81qbfs6u3ee195n1s.pn...
Really interesting to see how great Christmas period is. You can clearly see that it starts in the second week of november in earnest. Also interesting to see that the weekends are usually pretty slow but in the christmas time they totally blend in.
"RPy is a very simple, yet robust, Python interface to the R Programming Language. It can manage all kinds of R objects and can execute arbitrary R functions (including the graphic functions). All errors from the R language are converted to Python exceptions. Any module installed for the R system can be used from within Python."
I haven't used rpy, and perhaps you want a pure-python port for other reasons (e.g. performance, overhead), but rpy might give you what you want - immediately.