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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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an estimated proportion

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an estimated proportion" is correct and usable in written English.
It can be used when discussing statistical data or research findings where a specific percentage or fraction is not precisely known but is approximated. Example: "According to the survey, an estimated proportion of 60% of participants prefer online shopping over in-store shopping."

✓ Grammatically correct

Science

Formal & Business

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

With an estimated proportion defective of 10% (i.e., P = 0.1) and target Δ of 2.5% (Δ = 0.025) we estimate the sample size of n = 553.

In W3 data set, pairs of environments with sample phenotypic correlations smaller than 0.1 had an estimated proportion of genomic variance explained by main effects that was smaller than 0.2.

A target sample size of 1,110 charts for each of maternal delivery and baby newborn (neonatal) discharges was based on achieving a precision of +/ – 3%% assuming (conservatively) an estimated proportion of 50%%.

Six out of these 9 Rip genes have an estimated proportion of sites under positive selection higher than 5%, with the highest level reached for RipAJ and RipG7, in agreement with a previous analysis [ 17]. aValues supporting evidence for recombination are shown in bold.

An estimated proportion of invariant sites was not used in the previous analysis because it had not been implemented in the used version of Bio++.

For each dataset, Maximum Likelihood (ML) phylogenetic trees were computed with PHYML using the JTT model and a gamma correction to take into account the heterogeneity of evolutionary rates across sites (4 discrete classes of sites, an estimated alpha parameter and an estimated proportion of invariable sites) [48].

Science

Plosone

PHYML trees were calculated using the Whelan and Goldman model, a gamma correction to take into account the heterogeneity of evolutionary rates across sites (four discrete classes of sites, an estimated alpha parameter, and an estimated proportion of invariable sites), and subtree pruning and regrafting topology searches.

ML analysis was performed using PhyML [84] with the JTT amino acid substitution model, 8 categories of substitution rates with an estimated Gamma distribution parameter and an estimated proportion of invariable sites.

Science

Plosone

Phylogenetic trees were generated from the aligned sequences using PhyML [ 74, 75] with the JTT substitution model, an estimated proportion of invariable sites, and an estimated gamma distribution parameter.

For all the alignments, we used the JTT model of evolution, frequencies estimated from the data set, an estimated proportion of invariant sites and eight gamma rate categories.

Therefore, the scale-up estimator produced an estimated proportion of heavy drug users of 3.3%9595% CI: 2.7, 4.1) (see Web Appendix).

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Expert writing Tips

Best practice

When using "an estimated proportion", clearly state the basis for your estimate. This adds credibility to your statement and helps your audience understand the limitations of your data.

Common error

Avoid presenting "an estimated proportion" as a precise figure. Use qualifiers like 'approximately' or 'around' to maintain transparency about the level of uncertainty.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an estimated proportion" functions as a modifier preceding a noun. It quantifies the noun with an approximation, indicating that the exact value is not known or not critical, but it is useful to indicate the magnitude. According to Ludwig AI, the phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

Science

75%

Formal & Business

15%

News & Media

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "an estimated proportion" is a grammatically sound phrase used to indicate an approximate percentage or fraction. Ludwig AI confirms its correctness and usability in English writing. It is particularly common in scientific and formal contexts where precise figures may not be available or necessary. When using this phrase, it's important to provide context for the estimate and avoid presenting it as an exact value.

FAQs

How can I use "an estimated proportion" in a sentence?

Use "an estimated proportion" when you want to convey an approximate amount or percentage, such as, "An estimated proportion of the population is affected by this condition".

What is a good alternative to "an estimated proportion"?

Alternatives include "approximate percentage", "rough percentage", or "projected fraction", depending on the context and desired level of formality.

Is it better to say "estimated proportion" or "exact proportion" when the figure is not precise?

When a figure is not precise, "an estimated proportion" is more accurate. "Exact proportion" should only be used when the figure is known precisely.

What does "an estimated proportion of invariable sites" mean in genetics?

In genetics, "an estimated proportion of invariable sites" refers to an approximate percentage of DNA sites that are not expected to change during evolution, often used in phylogenetic analyses.

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Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: