As verbs the difference between downsample and subsample
is that downsample is to reduce the sampling rate of (a signal) while subsample is to take subsamples from.
As a noun subsample is
a smaller portion of an original sample, created by trimming, subdividing, splitting or discrete collection of the original sample.
downsample
English
(Downsampling)
Verb
(downsampl)
To reduce the sampling rate of (a signal).
Antonyms
* upsample
subsample
English
Noun
(
en noun)
A smaller portion of an original sample, created by trimming, subdividing, splitting or discrete collection of the original sample.
(sciences) A portion of the original sample that is representative in nature to that of the original sample, thereby assuring equivalency in results from tests and analysis either upon the subsample or the original material, independent of their size.
Verb
(subsampl)
To take subsamples from.
Derived terms
* subsampler
Usage notes
Descriptions that refer to 'discrete subsample', 'distinct subsample', 'separate subsample', or 'individual subsample' all refer to a subsample not necessarily representative of the original and which may differ widely in any number of characteristics from that of the original sample.
