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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
separated into three categories
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "separated into three categories" is correct and usable in written English.
You can use it when discussing the classification or organization of items, concepts, or data into distinct groups. Example: "The research findings were separated into three categories: economic, social, and environmental impacts."
✓ Grammatically correct
Science
News & Media
Alternative expressions(11)
divided into three groups
classified into three types
divided into three categories
organized into three divisions
classified into three sections
classified in three systems
classified in three categories
classified into three segments
classified into three categories
split into three subgroups
partitioned into three segments
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
36 human-written examples
The 73 judges were separated into three categories: international players (current and retired); international journalists and broadcasters; and Guardian reporters, correspondents and senior editors.
News & Media
Second, the clusters are separated into three categories and the membership matrix is initialized.
In the meantime, nanocellulose can be separated into three categories: crystalline nanocellulose, cellulosic nanofiber, and nanocellulosic composites [21].
General cloud computing can be separated into three categories: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS).
Science
Intensive care units are separated into three categories ranging from category 1 to 3, with category 3 ICUs considered to provide care for the most severely ill patients.
Science
Related work is separated into three categories, namely: (i) use of models and QoS criteria at runtime for adaptive systems; (ii) management and variability of non-functional properties on feature models; (iii) and predictability of quality attributes on component-based software systems and software product lines.
Human-verified similar examples from authoritative sources
Similar Expressions
24 human-written examples
Prenatal pesticide exposure was separated into three category groups: (a) no parental exposure, (b) paternal exposure only, and (c) maternal exposure irrespective of paternal status.
The technique is broadly separated into two categories, hard and soft nanoimprint lithography.
Science
Meanwhile, the input parameters for ground movement calculations could be separated into two categories.
X-ray diffraction results show that the Cr C N coating structure can be separated into two categories.
All chemical engines can be separated into two categories depending on how they manage the chemical reaction: restrained and unrestrained.
Science
Expert writing Tips
Best practice
When using "separated into three categories", ensure that the criteria for separation are clearly defined and consistently applied to avoid ambiguity.
Common error
Avoid defining categories that overlap or are not mutually exclusive, as this undermines the clarity and purpose of the separation.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "separated into three categories" functions as a descriptive phrase, indicating that a larger set has been divided into three distinct groups based on specific criteria. It is used to classify information, objects, or concepts, as seen in Ludwig's examples.
Frequent in
Science
52%
News & Media
24%
Wiki
8%
Less common in
Formal & Business
4%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "separated into three categories" is a grammatically sound and frequently used expression for indicating division or classification. According to Ludwig, it appears across various contexts, most notably in science and news media. It's vital to ensure clarity and consistency when defining these categories to avoid ambiguity. Alternatives such as "divided into three groups" or "classified into three types" can be used for variety. In summary, this phrase is a useful tool for organizing and presenting information effectively.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
divided into three groups
Changes the word "separated" to "divided" and "categories" to "groups", maintaining the core meaning of splitting into three.
classified into three types
Replaces "separated" with "classified" and "categories" with "types", emphasizing the act of classification.
categorized into three sections
Uses "categorized" instead of "separated" and "sections" instead of "categories", slightly altering the emphasis to organization.
organized into three divisions
Substitutes "separated" with "organized" and "categories" with "divisions", highlighting a more structured arrangement.
broken down into three parts
Replaces "separated" with "broken down", suggesting a more analytical approach to division.
arranged into three classes
Uses "arranged" and "classes" to convey a structured and ordered separation.
sorted into three kinds
Emphasizes the act of sorting, suggesting a careful and systematic separation.
grouped into three segments
Focuses on grouping, implying that the categories are more fluid or less strictly defined.
sectioned into three portions
Highlights the division into distinct portions or parts.
compartmentalized into three areas
Suggests a more rigid or physical separation into distinct compartments or areas.
FAQs
How can I use "separated into three categories" in a sentence?
You can use "separated into three categories" to describe how a larger group has been divided based on specific criteria. For example, "The data was separated into three categories: high, medium, and low."
What are some alternatives to "separated into three categories"?
Alternatives include "divided into three groups", "classified into three types", or "categorized into three sections".
Is it better to say "separated into three categories" or "divided into three categories"?
Both "separated into three categories" and "divided into three categories" are grammatically correct and largely interchangeable. The choice depends on stylistic preference.
What should I consider when deciding on the three categories?
Ensure the categories are mutually exclusive, collectively exhaustive, and relevant to the purpose of the classification. This will provide a clear and useful separation.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested