is_specified_output_of data set of features center value mode calculation measure of central tendency mode http://www.sagepub.com/upm-data/47775_ch_3.pdf Alejandra Gonzalez-Beltran Orlaith Burke Philippe Rocca-Serra The mode is a data item which corresponds to the most frequently occurring number in a set of numbers. mode scipy.stats.mode(a, axis=0) http://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.mode.html#scipy.stats.mode source: https://github.com/scipy/scipy/blob/v0.15.1/scipy/stats/stats.py#L586 center value ready for release