Initial commit
change how zero regressors are handled
update doc to indicate fractional values are okay
update to indicate fractional values in design matrix are allowed; allow <design> to specify onset times; add <tr>,<numtimepoints> as inputs
fixed a bug regarding extraregressors; regressors that are all zero now receive 0 weight (instead of crashing); update to indicate fractional values in design matrix are allowed; allow <design> to specify onset times
add pcR2final as an output; regressors that are all zero now receive 0 weight (instead of crashing); update to indicate fractional values in design matrix are allowed; add PCcrossvalidationscaledN.png figures; add SNRbefore and SNRafter as outputs and add some new figures; add opt.brainexclude and associated figure; allow <design> to specify onset times
tweak and update