x.x.## S3 method for class 'NMFfit,missing':
plot(x, y, skip = -1, ...)skip=1L (default) only the initial residual --
that is computed before any iteration, is skipped, if
present in the track (it associatedplot method can be
provided.x is an appropriate structure.par).
Many methods will accept the following arguments:
[object Object],[object Object