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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 proportion thereof

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a proportion thereof" is correct and usable in written English.
It can be used in contexts where you want to refer to a part or share of something previously mentioned. Example: "The committee has allocated funds for various projects, and a proportion thereof will be directed towards community development."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Through chance expansion these mutations can be present in all copies of the mitochondrial genome (homoplasmy) or a proportion thereof (heteroplasmy).

Science

eLife

Whether a similar model applies to human disease, or even a proportion thereof where there is prominent entheseal involvement (<30% of PsA cases), has yet to be demonstrated.

It is conceivable that the 22 (or a proportion thereof) patients that are classified as having completed definitive β-lactam therapy may have received outpatient definitive non-β-lactam therapy after initial improvement.

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Of course, the entire mosquito population (or even a large proportion thereof) will almost never become infected in a real system.

Science

Plosone

In the case of substructure-based clustering, well established methods are existing for the generation of Maximum Common Substructures (MCS) which are present in all members of the structure population or a defined proportion thereof [2].

More than half of the human genome consists of repetitive DNA and tandemly repeated DNA sequences comprise a significant proportion thereof.

The proportion of S. Typhimurium strains that were DT104 and the proportion thereof that were found to be MDR are shown for each country in Table 2.

Express a proportion or ratio with "a.

Since the former is contributed to by all sequences within the population and the latter solely by a fraction thereof, the proportion of the total height of different peaks attributable to the baseline will be different.

We investigate an idea that has surfaced recently in the literature (since 1999), namely that the proportion of node-positive lymph nodes (or a function thereof) is a much better predictor of survival than the number of excised and node-positive lymph nodes, alone or together.

Figure 1 shows a demand and a possible quantization thereof.

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Expert writing Tips

Best practice

When using "a proportion thereof", ensure the context clearly defines what the 'thereof' refers to, avoiding ambiguity.

Common error

Avoid using "a proportion thereof" if the item being referred to (the 'thereof') is not immediately clear in the sentence or surrounding text. Rephrase to explicitly state what you are discussing.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a proportion thereof" functions as a post-modifying phrase, specifying a quantity or share of something previously mentioned. It serves to indicate that only a part of a previously referenced item is being discussed, as demonstrated by Ludwig.

Expression frequency: Rare

Frequent in

Science

60%

News & Media

30%

Wiki

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "a proportion thereof" is a grammatically correct phrase used to indicate a part or share of something previously mentioned. While Ludwig AI indicates its acceptability, it's worth noting that this phrase is more formal and less frequent in everyday language. It is most commonly found in scientific and formal contexts, where precision is key. For less formal situations, consider using alternatives like "a part of that" or "some of it" to ensure clarity and naturalness.

FAQs

How can I use "a proportion thereof" in a sentence?

Use "a proportion thereof" to refer back to a previously mentioned whole, indicating that you're discussing a part or share of that whole. For example, "The budget was allocated to several departments, and "a proportion thereof" was used for research."

What's a more common way to say "a proportion thereof"?

While grammatically correct, "a proportion thereof" can sound formal. Simpler alternatives include phrases like "a portion of that", "a fraction of it", or simply "part of it" depending on the context.

Is "a proportion of it" the same as "a proportion thereof"?

Yes, "a proportion of it" and "a proportion thereof" are largely interchangeable. The latter is slightly more formal and less commonly used in everyday speech. In most contexts, using "a portion of it" will sound more natural.

When is it best to use "a proportion thereof" over other alternatives?

Use "a proportion thereof" in formal or scientific writing where precision and conciseness are valued. In less formal contexts, alternatives like "a part of that" or "some of it" may be more appropriate.

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Source & Trust

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Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: