innovative way. All "quantlets" for the calculation of given examples in the text are executable on an XploRe Quantlet Server … (XQS) and can be modified by the reader via the internet. The electronic edition can be downloaded from the web site www.i-xplore …

timeseriesdb is an R package which suggests a PostgreSQL database structure to store time series alongside extensive … multi-lingual meta information and provides an R database interface including a web based GUI. The timeseriesdb package was …