TST: update doctest to reflect sum over contrast matrix rather than mean
ENH: add figure about classification
EXC+SML: add comments explaining what to do
EXC+SML: add comments explaining what to do
NF: add figure about single_classification
EXC+SMALL: fix name of odd and even dataset suffix from "mm" to "birds"
DOC+EXC: more explanations
DOC+EXC: more explanations
DOC+EXC: more explanations
RF: ensure contrast_matrix has sum of one no diagonal
ENH+ACK: add safety mechanism for LDA when a large number of features is used. Apologies to #Jens Scharzbach# for crashing his machine when trying this out
DOC: explain LDA classifier better
EXC: update correlation measure
ENH+EXC: more help in exercise
WEB+DOC: fixed potentially confusing typo in variable name correlation_measure
EXC: update table of contents
WEB+RF+NF: move neighborhood below measure, and explain the rationale better
EXC+WEB+NF: add exercise for neighborhood concept
ENH: explain overloading of "searchlight" idea
EXC: add notes