decrease the variance

USAGE SUMMARY

The phrase "decrease the variance" is correct and usable in written English.
You can use it in contexts related to statistics, data analysis, or any situation where you want to express the idea of reducing variability or dispersion in a dataset. Example: "To improve the reliability of our results, we need to decrease the variance in our experimental data."

✓ Grammatically correct

Science

Signal Processing

Wireless Communications

Human-verified examples from authoritative sources

Exact Expressions

17 human-written examples

Simulation results show that these algorithms decrease the variance of estimate, especially in a time dispersive channel, improving the system performance.

Signal Processing

This second case, which corresponds to expected utility, puts forward the "precautionary motive" for remittances: depending on the distribution of wage risks across locations, remittances may decrease the variance of future consumption.

IZA Journal of Migration

With higher order constellations, in addition to the improved noise averaging, with increased number of copies we can also decrease the variance of the data dependent training sequence, p d, and this improves the accuracy of the first symbol estimates.

EURASIP Journal on Wireless Communications and Networking

We propose a hybrid schedule to decrease the variance of the seed populations in IWO and also use the concept of particle swarm optimization (PSO [25 28] for choosing the best maximum number of population members that will survive to the next generation.

EURASIP Journal on Wireless Communications and Networking

An effective normalization method should decrease the variance without increasing bias.

Briefings in Bioinformatics

The loge transformation of IgA and IgG variables was used to decrease the variance heterogeneity.

Environmental Health Perspectives

Human-verified similar examples from authoritative sources

Similar Expressions

43 human-written examples

(a) NE activation in the modelled intrathalamic circuit decreased the variance of membrane potential of VPm neurons (74±4% of the control for NE in both VPm and TRN, n=13 modelled VPm neurons, α=0.05, p=3.9x10-5, paired t-test).

Nature

Significantly, we find that as the characteristic speed of the flow decreases, the variance of the noisy estimators becomes independent of the characteristic speed.

Journal of Computational Physics

Under certain operating conditions, decreasing the variance of the residence time distribution, leads to a greater mean conversion of the particles by the time they leave the reactors and higher mean rates of reaction in the beds.

Applied Energy

Finally, a boundary adjustment algorithm is designed to further improve the quality of partitioning by decreasing the variance of link densities while keeping the spatial compactness of the clusters.

Transportation Research Part B: Methodological

As the IID increases and the ICC decreases, the variance of the CPD1 estimation error decreases.

EURASIP Journal on Audio, Speech, and Music Processing

Expert writing Tips

Best practice

When aiming to enhance the precision of statistical estimations or the stability of a system, prioritize strategies that "decrease the variance" effectively. Document the methods and expected outcomes clearly to ensure reproducibility.

Common error

Avoid assuming that solely "decreasing the variance" automatically improves the quality or validity of data. A low variance may sometimes mask underlying biases or inaccuracies. Always validate with other statistical measures and domain knowledge.

Linguistic Context

The phrase "decrease the variance" functions as a verb phrase, where 'decrease' is the verb and 'the variance' is the direct object. It describes the action of reducing the statistical dispersion of a dataset. As Ludwig AI confirms, this is a correct and usable phrase.

Expression frequency: Common

Frequent in

Science

94%

Formal & Business

3%

News & Media

3%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "decrease the variance" is a grammatically sound and frequently used expression, particularly in scientific and technical fields, as confirmed by Ludwig AI. It's employed to denote the reduction of statistical dispersion in data, aiming for enhanced stability and precision. Alternatives include phrases like ""reduce the variability"" or ""lessen the dispersion"". While beneficial in many scenarios, it's crucial to avoid assuming that reduced variance automatically equates to improved data quality; validation with other statistical measures is essential.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

reduce the variability

Replaces "variance" with "variability", a more general term for dispersion.

lessen the dispersion

Uses "dispersion" instead of "variance", emphasizing the spread of data.

minimize the fluctuation

Focuses on reducing the extent of change or oscillation.

lower the deviation

Highlights the act of diminishing how far data points stray from the average.

stabilize the fluctuations

Emphasizes maintaining a steady state by diminishing the level of change.

control the variability

Emphasizes exerting influence over data to reduce the overall level of change or variation.

narrow the spread

Highlights the act of diminishing how data is distributed or scattered.

dampen the oscillations

Focuses on the level of intensity in data's oscillatory patterns.

restrict the range

Highlights the act of diminishing the difference between the smallest and largest data points.

curtail the irregularities

Emphasizes on the level of anomalies and abnormalities in the data.

FAQs

How can I use "decrease the variance" in a sentence?

You can use "decrease the variance" to describe actions that reduce variability in data, such as, "Applying this filter helps to "decrease the variance" of the noise in the signal."

What are some alternatives to "decrease the variance"?

Alternatives include "reduce the variability", "lessen the dispersion", or "minimize the fluctuation", depending on the specific context.

Is it always desirable to "decrease the variance"?

While often beneficial, "decreasing the variance" isn't always ideal. In some cases, it may mask important underlying patterns or reduce the representativeness of the data. Consider the context and potential trade-offs.

What statistical methods can "decrease the variance"?

Techniques such as normalization, filtering, and using larger sample sizes are commonly employed to "decrease the variance" in datasets.