analysis of frequency
Research and measurement
Use "of frequency" after nouns related to study, analysis, or description.
The paper presents a study of frequency patterns in speech.
"Of frequency" or "in frequency"?
Both phrases exist in English, but they appear in different structures and meanings.
Quick answer
Using "of frequency" and "in frequency"
"Of frequency" is used after another noun, especially in technical or descriptive language, as in "analysis of frequency." "In frequency" is less common and usually appears in phrases about differences or changes, such as "vary in frequency."
The report included an analysis of frequency changes.
The calls differ in frequency depending on the season.
Researchers measured the distribution of frequency across age groups.
The calls differ in frequency depending on the season.
Researchers measured the distribution of frequency across age groups.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
distribution of frequency
Statistical descriptions
Use "of" when frequency is the object of measurement or description.
They examined the distribution of frequency in the dataset.
vary in frequency
Differences in how often something happens
Use "in frequency" after verbs such as "vary" or "differ."
The symptoms vary in frequency among patients.
change in frequency
Changes over time
A more common pattern is "change in frequency," where "in" belongs to the noun "change," not directly to "frequency."
Scientists observed a change in frequency after treatment.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
of frequency
The study focused on the measurement of frequency.
Used when frequency is the topic or object of analysis.
in frequency
The sounds differ in frequency.
Used for variation or difference.
frequency of
We measured the frequency of storms.
A very common pattern showing what occurs often.
frequency in
There was a rise in frequency in recent years.
Possible when "in" belongs to another noun such as "rise" or "change."
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using "in frequency" without a supporting verb or noun
"In frequency" usually follows words such as "differ," "vary," or "change."
✕ an article in frequency ✓ an article about frequencyConfusing "frequency of" and "of frequency"
"Frequency of" is much more common for stating what happens often.
✕ the of frequency storms ✓ the frequency of stormsUsing "of frequency" as a complete phrase
It normally follows another noun.
✕ Researchers studied of frequency. ✓ Researchers studied frequency.Attaching the wrong preposition to the wrong noun
Sometimes the preposition belongs to another noun such as "change" or "difference."
✕ a frequency in calls ✓ a change in frequency of callsQuick practice
Choose the expression that matches the intended meaning.
1. The researchers compared the signals ___ frequency.
2. The paper includes an analysis ___ frequency patterns.
3. We measured the frequency ___ errors.
Check your sentence in context
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Free to try · No signup required
Frequently asked questions
Is "in frequency" correct English?
Yes, especially after verbs such as "differ" or "vary," or in phrases like "change in frequency."
When do we use "of frequency"?
Use it after nouns related to study or description, such as "analysis of frequency."
What is the most common pattern with this noun?
"Frequency of" is very common for talking about how often something happens.
Related preposition guides
Write with confidence in Linguix
Create a free account to check complete texts, apply suggestions, and save your documents.
