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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
which data exists
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which data exists" is correct and usable in written English.
You can use it when you are referring to a specific set of data that has already been collected. For example: "We must analyze which data exists in order to determine the best course of action."
✓ Grammatically correct
Science
News & Media
Alternative expressions(1)
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
7 human-written examples
That means the foundation each year will commit to spend the equivalent of the entire endowment of all but the 16 wealthiest foundations in the country in 2006, the latest year for which data exists.
News & Media
Overall, 70 of the 74 countries for which data exists were on target to meet at least one of five global nutrition targets – covering maternal and child nutrition as well as overweight adults, obesity and diabetes – with only Kenya on course to meet all of the measured targets.
News & Media
For example, through sensitivity analysis we find that there is a difference of 10 dB at the lowest frequency for which data exists (relative to a model without de-correlation effects included) for the highest acoustic Mach number case.
According to a study from the International Spa Association (ISPA) and PricewaterhouseCoopers, the spa industry had revenue of $5 billion in 1999, the last year for which data exists, and the number of spa locations doubled from 1994 to 1999, with an annual growth average of 19%.
News & Media
Query support —goal: to enable querying across hierarchies for which data exists (and is annotated).
Science
A review of worldwide obesity trends in children in 2006, found that there has been a documented increase in obesity in all countries for which data exists [ 3].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
In 81percentt of the societies around the world for which data exist, the ideal female body type is plump, according to Peter J. Brown, a professor of anthropology at Emory University.
News & Media
Meanwhile, according to a United Nations report, "in the 35 countries for which data exist, nearly 40% of jobseekers have been without work for more than one year".
News & Media
For the past 400,000 years, for which data exist from drillings in the Antarctic ice sheets, the Earth's ecosystem as measured by atmospheric carbon levels has been relatively stable throughout the ice age cycles.
News & Media
Eaton added that the report only covered those species for which data existed, just 5% of the estimated 59,000 species that inhabit the UK, leaving huge gaps in knowledge.
News & Media
Since 2001 more than half of all private-sector jobs created have been in housing-related industries.Second-quarter figures, due later this month, are likely to show that the value of property rose to 33% of households' total assets the highest in the 60 years for which data exist.
News & Media
Expert writing Tips
Best practice
When using "which data exists", ensure the context clearly defines the scope and type of data being referred to. Be specific about the sources or limitations of the data.
Common error
Avoid using "which data exists" without specifying the relevant field or category. Vague references can lead to misinterpretations. Instead of asking "Which data exists for this project?", be more precise: "Which sales data exists for the last quarter?".
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which data exists" functions as a relative clause used to inquire about or specify the availability of data. It introduces a question or condition related to data that has been collected or documented, according to Ludwig.
Frequent in
Science
50%
News & Media
45%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "which data exists" is a grammatically correct and commonly used construction to inquire about available data, as affirmed by Ludwig. It's most frequently found in scientific and news-related contexts. When employing this phrase, clarity is crucial; specify the relevant field or category of data to avoid ambiguity. Alternatives like "what data is available" can be used to express similar meanings. "Which" is appropriate for scenarios involving selection from a known set of data, while "what" suits broader inquiries.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what data is available
Focuses on the availability of data rather than its mere existence.
what information exists
Uses the broader term "information" instead of "data".
what records are available
Specifically refers to records as a form of data.
what data is on hand
Emphasizes the immediate accessibility of the data.
what data has been collected
Highlights the action of data collection.
what data is accessible
Focuses on the accessibility of the data, emphasizing ease of retrieval.
what data has been documented
Implies a formal recording or archiving of the data.
what empirical evidence exists
Emphasizes the empirical nature of the data, implying observation or experimentation.
what figures are available
Refers specifically to numerical data.
what statistics are available
Focuses on statistical data.
FAQs
How can I use "which data exists" in a sentence?
You can use "which data exists" to inquire about the availability of specific information, such as, "We need to determine "which data exists" before making a decision."
What is a more formal alternative to "which data exists"?
In a formal context, you might use "what data is available" or "what information has been documented" instead of ""which data exists"".
Is it correct to say "which data exist" instead of "which data exists"?
The phrase ""which data exists"" is generally preferred. Although "data" can be treated as plural, it's often used as a non-count noun in this context. "Which data exist" is less common.
What's the difference between "which data exists" and "what data exists"?
"Which" implies a selection from a defined set, while "what" is more general. Use ""which data exists"" when referring to a specific, known category of data, whereas "what data exists" is suitable for a broader inquiry.
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested