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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are grouped by a

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are grouped by a" is correct and usable in written English.
It can be used when describing how items or elements are categorized or organized based on a specific criterion. Example: "The data points are grouped by a common theme to facilitate analysis."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Existing industrial heat transfer applications are grouped by a hierarchical clustering algorithm.

In [3], a VO is defined as a geographically distributed organization whose members are grouped by a long-term common interest or goal, and who communicate and coordinate their work through information technologies.

The sequences are grouped by a given sequence identity threshold, which corresponds to the local sequence similarity.

Science

Plosone

For example, think of a correlation study where the data are grouped by a nominal variable Z, say study center.

However, the Gibbs sampling scheme above gives marginal posteriors that appear overly vague for parameters that are grouped by a common variance [ e.g., a = (a1, … ,  a j)].

Science

Genetics

The mapping from data element to illness is "well defined" in the real data if the patient visits are grouped by a single value of this data element and if it differs very little in the underlying illness or condition that can be inferred from the information in the medical record.

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

Should items be grouped by a particular theme?

News & Media

The New York Times

To assemble groups of paralogs, the Pam threshold for pairs was raised to 250, and then pairs were grouped by a transitive process as previously described [ 23].

Data are grouped by functional classes, A-E, on the right.

The clothes are grouped by designer, which provides a constant tacky/tasteful contrast as you walk through the store.

News & Media

The New York Times

Newspapers are grouped by region.

News & Media

Forbes
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Expert writing Tips

Best practice

When using "are grouped by a", ensure that the criterion for grouping is clearly stated to avoid ambiguity. For example, "The books are grouped by a genre."

Common error

Avoid using vague grouping criteria such as "characteristics" or "features." Specify the exact characteristics or features that define the groups. Instead of writing 'The items are grouped by a characteristic', specify what that characteristic is.

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 "are grouped by a" functions as a passive construction indicating how entities are categorized or organized based on a particular attribute. As Ludwig AI confirms, the phrase is grammatically correct and frequently used. For example, Ludwig shows cases where data is grouped by functional classes or clothes are grouped by designer.

Expression frequency: Common

Frequent in

Science

60%

News & Media

30%

Academia

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "are grouped by a" is a grammatically sound and commonly used passive construction, as validated by Ludwig AI. It serves to describe the categorization or organization of items based on shared attributes, finding frequent use in science, news, and academic contexts. When using this phrase, ensure the grouping criteria are clearly defined. While it is acceptable, consider alternatives like "are categorized by a" or "are classified by a" for nuanced meaning.

FAQs

How can I use "are grouped by a" in a sentence?

Use "are grouped by a" to describe how items or entities are categorized based on a shared attribute or criterion. For instance, "The students are grouped by a grade level".

What are some alternatives to "are grouped by a"?

Alternatives include "are categorized by a", "are classified by a", or "are arranged by a", depending on the specific nuance you want to convey.

Is it correct to say "are grouped according to" instead of "are grouped by a"?

Yes, "are grouped according to" is a valid alternative. It emphasizes that the grouping follows a specific set of rules or guidelines. For example: "The participants are grouped according to age".

What's the difference between "are grouped by a" and "are divided into"?

"Are grouped by a" implies a categorization based on shared characteristics, while "are divided into" suggests a separation into distinct, often mutually exclusive, sets. For example, "The data points are grouped by a common theme", but "The cake is divided into eight slices".

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: