I recently described a REST based service for performing PCA-based visualization of chemical spaces. By visiting a URL of the form http://rguha.ath.cx/~rguha/cicc/rest/chemspace/default/ c1ccccc1,c1ccccc1CC,c1ccccc1CCC,C(=O)C(=O),CC(=O)O one would get a HTML, plain text or JSON page containing the first two principal components for the molecules specified. With this data one can generate a simple 2D plot of the […]