contamination
- noun
- /kənˌtæmɪˈneɪʃən/
- Specialized
- With the corrected dataset by removing the source of data contamination, similar performances were observed for RF and SVM (Fig. 10c).
- cross contamination
- Hg contamination
And so there's going to be sort of some contamination of political slant with other differences, OK.
- And so there's going to be sort of some contamination of political slant with other differences, OK.
Examples
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The results likely overestimated the occurrence of virus contamination in groundwater as well as the resulting public health risks.
Academic text (2002) -
An additional source of contamination can be the required transfer of impinger solutions before and after sampling.
Academic text (2004) -
We did that to avoid contamination by socially desirable responses as much as possible.
Academic text (1999) -
Such a study would risk contamination from extraneous variables whose effect cannot be removed.
Academic text (1998) -
The other three false-positive results were probably due to PCR contamination since they were not confirmed on repeat testing.
Academic text (1992) -
Many aspects of Hg contamination have been evaluated during recent decades.
Academic text (2009) -
The test of the explosive substance yielded a false positive result due to contamination caused by previous testing.
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A limitation of in-house control groups is the possibility of control group contamination or treatment diffusion.
Academic text (2012) -
According to Mair, an independent, non-Chinese lab determined that the Fudan results were likely a product of contamination and thus invalid.
Academic text (2009) -
The study found contamination in the dataset, leading to inaccurate predictions about user behavior.
Synonyms
Deliberately adding false items to training data to make a model learn wrong things
Antonyms
Compounds
How Contaminated
Surface Forms
Morphology
contamination = contaminate (semi-transparent) = contaminate + ion
Formally derived from 'contaminate' + '-ion', but this sense is a domain-specific metaphorical extension to data and may not be fully predictable to learners unfamiliar with the technical usage.
Etymology
Contamination comes from the Latin contaminare, from con- 'together' and a root meaning 'touch' like in tangible. That's why in data work 'contamination' means the wrong data have been mixed or 'touched' into a dataset, making results wrong.