random variation

collocation in English

meanings of randomand variation

These words are often used together. Click on the links below to explore the meanings. Or, see other collocations with variation.
random
adjective
uk /ˈræn.dəm/ us /ˈræn.dəm/
happening, done, or chosen by chance rather than according to ...
See more at random
variation
noun
uk /ˌveə.riˈeɪ.ʃən/ us /ˌver.iˈeɪ.ʃən/
a change in amount ...
See more at variation

Examples of random variation

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
The model assumes constant tectonic subsidence and a randomvariation in sea level.
Ideally, residuals consist solely of randomvariation, but they may also reveal other systematic variation.
This procedure compensates for irregularities in the raw score means produced by randomvariation.
For borderline symptoms there was significant randomvariation in both means and linear age changes.
Indeed, these features both seem to me to be probably due to randomvariation.
There is usually some randomvariation in the structure of these periodic processes.
We took this estimated value as a measure of body size with randomvariation largely removed.
We simplified the design to a generalised amplitude envelope with randomvariation.
The variability in vowel epenthesis is greater than that of consonant epenthesis, but it also is not randomvariation.
However, the negative binomial distribution does not allow ready extension to additional levels of nested randomvariation in the data.
Estimates from any one centre are subject to randomvariation and likely to be surrounded by wide confidence intervals.
The estimate of the repulsion recombination fraction can be negative due to randomvariation of the observed phenotype numbers.
We also addressed the body-size theory, with its randomvariation corollary, through a two-stage least squares procedure.
Clarifying the issue of gender difference awaits further exploration with larger studies to minimize the randomvariation.
In essence, fitted or "smoothed" curves compensate for the randomvariation inherent in samples, using sample values to project expected population values.
Let us begin at the lowest imaginable level of evolution: the genetic modification of organisms through randomvariation and natural selection.
A line segment with randomvariation controls an initial, middle and final trill rate, and the times required to change among the trill rates.
Variation in capture probability due to randomvariation and changes with weather and season will result in errors in the survival estimates.
The parent solutions then reproduce, resulting in a new generation of solutions that inherit their characteristics from their parents, with some small randomvariation.
Of course, this is just another example of the general principle that robustness to a parameter means robustness to randomvariation in the same.
Fluctuations in the simulated germination percentages on a smaller time scale reflect the randomvariation in the population and not short-term oscillations in dormancy.
When the response behavior is statistically unlikely to be due to randomvariation, the researcher is able to draw a causal inference.
Some randomvariation is inevitable and it makes all methods less effective, especially nearest-neighbour methods, which can fail also when there are discontinuities.
A two-layer random process achieves infinite variation: randomvariation of genetic source segments and random transcriptional splicing of these segments.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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