Meaning & use
resampling
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“resampling” is a form of “resample”.
Meanings
noununcountabletechnical
A statistical method that repeatedly draws new samples from observed data to estimate properties such as variability or confidence intervals.
Grammar: Uncountable: talk about 'resampling' as a technique, not 'a resampling' (though 'a resampling method' is fine).
Patterns
- use resampling to do something
- resampling methods
- bootstrap resampling
The researchers used resampling to check how stable their estimates were.
Resampling is popular because it makes fewer assumptions about the shape of the data.
A simple resampling procedure can give you a confidence interval without a formula.
noununcountabletechnicalcomputing
The process of changing the sample rate of a digital signal, such as audio or an image.
Grammar: Uncountable; often used before another noun, as in 'resampling rate'.
Patterns
- audio resampling
- resampling rate
- resampling algorithm
The software performs resampling to convert the track from 44.1 kHz to 48 kHz.
Poor resampling can introduce noise into the audio.
Image resampling changes the number of pixels in a picture.
Common combinations
- bootstrap resampling
- Bootstrap resampling is often used to estimate standard errors.
- resampling method
- They compared three resampling methods in their paper.
- resampling procedure
- The resampling procedure was repeated a thousand times.
- audio resampling
- Audio resampling can affect the quality of the sound.
Synonyms and how they differ
- bootstrapping
- A specific kind of resampling where you draw samples with replacement; use it when that exact procedure is meant.
- sampling
- The general act of taking samples; resampling specifically means taking samples again or from samples.
Word family
- resample verb
- To take a new sample or change the sample rate.
- sample noun
- A small part taken to represent the whole.
Commonly confused: resampling or sampling?
resampling vs sampling
Sampling is the basic act of selecting a sample; resampling means sampling again, often from an existing sample.
Practice
Researchers often use resampling to ______.
Choose one answer.
Resampling estimates uncertainty by repeatedly drawing new samples. It does not delete data or permanently change the sample size, so the other options do not fit.
Make it your own
Write a sentence using “resampling”, then check it and compare it with the examples above.