Sumaiya Iqbal, Broad Institute of MIT and Hardvard & MGH is giving a overview of Orange a python-based Data Mining Tool. This tool is useful for individuals with and without programming background.
Sumaiya gives examples for hierarchical clustering, PCA, prediction and text mining.
Good tut, unluckily no link. Gotta google it.
A tip. Pleas try not to say aaa too many time. Else thanks for the video