The window is the number of samples that are used as an input to the filter.
An influential person would earn the right to a huge number of free samples.
Small numbers of samples are taken, with each sample containing much information.
The mean number of samples per patient was 3.49 (range 2-18).
This is true even if a great number of samples is taken.
Image quality is excellent for a moderate number of samples.
This is especially true if the number of samples is very low.
And divided it by the number of samples taken to give us a mean average.
It is an easy, simple and rapid method which can be applied to large numbers of samples.
In order to do this however, a minimum number of samples is required.