subsample

Portion of data

A subsample is a smaller portion drawn from a larger sample, used when analyzing the full dataset is impractical or when researchers need to examine a specific subset: We took a random subsample of 500 respondents from the original survey.

The verb means to select such a portion: The data was subsampled for quality control.

research

specimen

Individual for examination

biopsyTissue sample for diagnosis
coreCentral essential portion
tissueDisposable soft paper

aliquot · assay · test · analysis · laboratory · data · trial · methodology · study · investigation

portion

subset

Collection within collection

fractionPart divided by whole
segmentDistinct part of whole
slicePortion cut off

piece · part · section · chunk · bit · component · element · division · unit · particle

sampling

subset

Collection within collection

stratifiedArranged in stacked layers
randomizeIntroduce disorder systematically
randomOccurring without pattern

selection · representative · cross-section · quota · demographics · proportion · population · cohort · batch · lot

statistics

confidence

Self-assurance or trust

intervalDuration between two points
meanAverage, or spiteful
varianceSpread around the mean

deviation · percentile · outlier · t-test · regression · correlation · bootstrap · estimate · parameter · inference

scale

smaller

Of reduced magnitude

reducedMade less in amount
miniatureReduced-scale representation
limitedRestricted in extent

partial · abbreviated · condensed · truncated · downsized · compact · abridged · micro · fractional · scaled-down

Opposites

completeness of data

subsamplecensus

Official population count

universe · population

scope of selection

subsamplesupersample

Render at higher resolution

aggregate

hierarchical data structure

subsamplesuperset

Set containing another entirely

Family

subsampling

Familiarity: Top 500,000
Profile: Used worldwide · Timeless · Rated G