a half of samples

USAGE SUMMARY

The phrase "a half of samples" is correct and usable in written English.
You can use it when you are referring to a group of two or more samples and are expressing its numerical value. For example, "A half of samples tested were positive for the virus."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

80.7% of the individuals were inferred to these clusters with an assignment level of at least 0.7, and for over a half of samples (55.7%), the level was over 0.9.

BMC Evolutionary Biology

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

In our study we determined highly significant increases in IL-6 and IL-8 concentrations from the first hour and a half of sampling to the second hour and a half of sampling; regardless of exercise and position of the catheter.

Arthritis Research and Therapy

The most marked difference in the splicing pattern was detected for splice variant III; its expression in normal samples could not be detected by standard RT-PCR, probably due to combined effects of its very low expression level and a relatively small amount of the obtained cDNA, but in more than a half of the samples a clear PCR product was detected in tumor samples (Fig 4).

BMC Cancer

In Figure 11, we can get BUS_TRAN_MEM sample rate of each symbol, and it is shown that the symbol named "vmlinux-2.6.18.8-xen" generathanmore than a half of total samples, while the symbol named "xen-syms-3.3.1" takes up about one third.

Human-centric Computing and Information Sciences

The result shows little loss of performance, even though only a half of normal samples were used for the test (Fig. 5a and b).

Bioinformatics

Since about a half of the samples from anemic patients had thin RBCs (microcytic or macrocytic), the data points corresponding to anemic patients fell largely below the tight distribution of the data from healthy patients.

BioMed Research International

Overall, cell-block processing provided clinically significant information for on third of the lung cancer patients, and allowed for the performance of genetic analyses of EGFR mutations in a half of the samples showing metastatic adenocarcinoma, confirming the advantages of this processing method for the diagnosis and staging of lung cancer.

BMC Cancer

More than a half of the sample of 232 airlines were airlines from Europe and the Asia-Pacific region.

European Transport Research Review

In the present study only 9.6% of patients did not have familial recurrence of headache, with a half of the sample (49%) showing both parents and grandparents complaining of headache (double familial loading).

The Journal of Headache and Pain

Galli and colleagues noted that only 9.6% of patients did not have familial occurrence of headache, with a half of the sample (49%) showing both parents and grandparents complaining of headache.

The Journal of Headache and Pain

More than a half of the sample (58.9%) had no children.

BMC Public Health

Expert writing Tips

Best practice

When writing scientific reports or research papers, quantify "a half of samples" with a precise percentage (e.g., 50%) to enhance clarity and avoid ambiguity.

Common error

Avoid assuming that conclusions drawn from "a half of samples" are representative of the entire population without appropriate statistical validation and consideration of potential biases.

Linguistic Context

The phrase "a half of samples" functions as a partitive noun phrase, indicating a portion of a larger set of items. According to Ludwig AI, the phrase is grammatically correct. Ludwig shows examples in scientific and news contexts.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

15%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "a half of samples" is a grammatically sound and frequently used phrase across diverse fields, particularly in scientific research and news reporting. Ludwig AI confirms its correctness and provides contextual examples. While interchangeable with alternatives like "50% of samples", this phrase provides a generalized way to indicate a proportion. In writing, especially in scientific contexts, clarity and precision can be enhanced by quantifying this phrase with an explicit percentage. When interpreting its significance, consider the methodology used for dividing the sample and its representativeness of the broader population.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

fifty percent of samples

Uses a percentage to quantify the proportion of samples, offering a more precise numerical representation.

one half of samples

Replaces the article "a" with "one", emphasizing the numerical aspect of the division.

half of the samples

Uses the definite article "the" specifying a particular set of samples.

a proportion of the samples

Replaces "half" with "proportion", indicating a part of the whole without specifying the exact amount.

a segment of samples

Replaces "half" with "segment", indicating a portion or division without stating the quantity.

a fraction of samples

Indicates an unspecified portion using 'fraction' instead of the specific term 'half'.

part of the samples

Emphasizes that only a portion of the samples is being considered.

some of the samples

Indicates an unspecified number or portion of the samples is relevant.

a percentage of samples

Focuses on a portion of samples expressed as a percentage.

a certain number of samples

Replaces the fraction with a more general indicator of quantity.

FAQs

How can I use "a half of samples" in a research paper?

When using "a half of samples" in research, be precise. For example, "A half of samples tested (50%) showed a positive result". Always provide context and clarify what constitutes the 'sample'.

What is a more formal alternative to "a half of samples"?

In formal writing, consider using phrases like "fifty percent of the samples" or "one half of the sample population". These alternatives offer a higher degree of precision. You may also say "a proportion of the samples" if precision is not your primary goal.

Is it better to say "a half of samples" or "half of the samples"?

Both "a half of samples" and "half of the samples" are grammatically correct, but "half of the samples" is more common when referring to a specific, defined group. Use "a half of samples" when the context is less specific or more general.

What does "a half of samples" imply about the data?

When you state "a half of samples", it suggests a division of the dataset into two equal parts. It's essential to clarify whether this division was random, stratified, or based on some other criteria for accurate interpretation.