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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a true proportion of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a true proportion of" is correct and usable in written English.
It can be used when discussing the accurate or exact ratio of one quantity to another in various contexts, such as statistics, mathematics, or comparisons. Example: "In the study, we found a true proportion of participants who preferred option A over option B."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Given the smaller sample size and the absence of a directional hypothesis of phenotypic change for the RB line, the 13%% proportion of LE phenotypes is within the expected sampling variance of a true proportion of 20%% (P = .32).32

For the patients prescribed corticosteroids whose records were examined, a sample size of 210 was considered sufficient to enable an estimation of a true proportion of patients with a drug review, with a 95% confidence interval of 6.1%.

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Assuming an estimated true proportion of 0.5, a maximum acceptable difference of 10% and an α error of 0.05, the required sample size calculated was 1,457 PCPs.

Transmission scenarios in which there is a higher "true" proportion of unique cases and those in which transmission is concentrated in large clusters tend to demonstrate less error than those in which there are fewer unique cases and more small clusters.

We computed the trends of the precision (proportion of predicted orthologs that are true orthologs) and the recall (proportion of true orthologs that are correctly predicted) as a function of the true proportion of non-1-to-1 orthology relations, which increases as the gene duplication rate increases.

In Switzerland, intentional injuries forfeit coverage by accident insurance, which could in turn impact reporting, leading to an underestimation of the true proportion of intentional injuries (Le Conseil fédéral 2000).

This is probably an underestimate of the true proportion of expressed retrocopies because the number of tissues (7) and experimental conditions (1) were limited.

Therefore, the results might be influenced by a recollection bias, because patients were asked about other ED visits that may have occurred up to one year before and they may have been less likely to remember with an underestimation of the true proportion of re-visits.

This is probably a slight overestimation of the true proportion of patients who received curative treatment, as was indicated by the sensitivity analysis.

Based on an estimated 50% of schools/ECE services meeting these guidelines (to give the most conservative sample size estimate), a 95% CI for the true proportion of schools/ECE services meeting the guidelines, and an absolute precision of 5%, the required sample size is 385.

Science

BMJ Open

These data correspond to an assumed scenario where the true proportion of patients taking adalimumab at 1 year would be 75% compared with 70% for etanercept.

Science

BMJ Open
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Expert writing Tips

Best practice

When reporting statistical data, always specify the confidence interval alongside "a true proportion of" to give readers a sense of the range within which the actual value likely falls.

Common error

Avoid using "a true proportion of" when you are actually presenting an estimated or modeled value. Make it clear if the proportion is based on empirical data versus theoretical calculations.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a true proportion of" functions as a determiner phrase specifying a quantity or amount. It introduces the concept of an accurate ratio, often used in statistical or scientific contexts to describe the actual representation of a part within a whole. As noted by Ludwig, it signifies correctness.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "a true proportion of" is a phrase used to indicate the accurate representation of a part within a whole. Ludwig AI confirms its grammatical correctness and usability. It is most commonly found in scientific and academic contexts where precision is key. Although the phrase itself is relatively rare, understanding its function and purpose is crucial for clear and accurate communication, especially when discussing statistical or quantitative data. Using it correctly ensures you are conveying an accurate ratio, rather than an estimate or approximation.

FAQs

How can I use "a true proportion of" in a sentence?

You can use "a true proportion of" when discussing the accurate or exact ratio of one quantity to another. For example: "The study aimed to determine "a true proportion of" patients responding to the treatment".

What phrases are similar to "a true proportion of"?

Alternatives include phrases like "the actual percentage of", "the accurate ratio of", or "the real fraction of", each emphasizing a slightly different aspect of accurate representation.

Is it better to say "true proportion" or "estimated proportion"?

Use "true proportion" when you have reliable data and aim to represent the real ratio. Use "estimated proportion" when presenting an approximation based on incomplete data or modeling.

What does "true" mean in the context of "a true proportion of"?

In this context, "true" signifies accuracy and validity. It indicates that the proportion is an honest and correct representation of the actual relationship between two quantities, rather than an approximation or an estimate.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: