factor analysis are used vs factor analysis is used

Both phrases are correct, but they are used in different contexts. 'Factor analysis is used' is the correct phrase when referring to the general practice of using factor analysis as a statistical technique. 'Factor analysis are used' is correct when referring to multiple instances or types of factor analysis being used.

Last updated: March 26, 2024 • 777 views

This phrase is correct when referring to multiple instances or types of factor analysis being used.

"factor analysis are used"

This phrase is used when talking about different factor analyses being employed in various situations or contexts.

Show examples from the web [+]

Those methods of analysis are used for the verification of the composition of imported processed agricultural products as declared in the import declaration.
In a second step, the results of the regression analysis are used to predict a benchmark price for the contracts investigated taking into account their contract characteristics ('out-of-sample predictions').
The load factor analysis in business class showed that [...] seats remained empty in 2012.
What if we did a factor analysis?
The reference methods for sampling and analysis are indicated in Annex II C.
Blood tests and urine analysis are normal.
"Further investigation and analysis are needed to resolve this issue".
In order to define policies, continued assessment and cost-benefit analysis are essential.
The assumptions used and results of the analysis are presented in recitals 393 to 440.
Key aspects of financial sustainability analysis are as follows:
Microbiological parameters for which methods of analysis are specified'
In a different submission Ryanair agreed that both comparator and cost-based methods of analysis are standard business practice [49].
The principles underlying the profitability analysis are:
The methods of analysis are applied on samples taken by customs authorities from imported goods.
The conditions of analysis are given in Part B.
Guidelines concerning quality control procedures for pesticide residue analysis are published on the Commission website.
Guidelines concerning quality control procedures for pesticide residue analysis are published on the Commission website [4].
Gel and cork are used in the construction.
Antibiotics are used to cure bacterial infections.
These seeds are used for restoration.

Alternatives:

different factor analyses are used
various factor analyses are employed

This phrase is correct when referring to the general practice of using factor analysis as a statistical technique.

"factor analysis is used"

This phrase is commonly used when discussing the application of factor analysis as a statistical method.

Show examples from the web [+]

The results of the duplicate analysis is used as a check on the repeatability.
If dechlorinated tap water is used, daily chlorine analysis is desirable.
Degradation is followed at appropriate time intervals, by measuring either the residual 14C or the residual concentration of test substance when specific chemical analysis is used.
If finite element stress analysis is used, the fatigue sensitive site shall be identified based on the location and orientation of the highest tensile principal stress concentration in the cylinder wall or liner at the working pressure.
The load factor analysis in business class showed that [...] seats remained empty in 2012.
What if we did a factor analysis?
Start recording the exhaust gas mass flow rate, if raw exhaust gas analysis is used;
If statistical analysis is used to analyse the study findings, then sufficient information on the method of analysis and the computer program employed should be included, so that an independent reviewer/statistician can re-evaluate and reconstruct the analysis.
Where chemical analysis is used, the expert responsible for the analysis must take care to select methods employing solvents which dissolve only the correct fibre(s), leaving the other fibre(s) intact.
start recording the exhaust gas mass flow rate, if raw exhaust gas analysis is used;
start recording the exhaust gas mass flow rate, if raw exhaust gas analysis is used;
start recording the exhaust gas mass flow rate, if raw exhaust gas analysis is used;
start recording the exhaust gas mass flow rate, if raw exhaust gas analysis is used,
During the analysis of samples the recovery shall be determined in each batch of samples, if a fixed recovery correction factor is used.
reduced rates of checks per product sector are permitted when risk analysis is used to select declarations to be checked, however, the overall rate of 5 % of declarations must still be respected.
Your blood analysis is almost done.
Fingerprint analysis isn't an exact science.
Lufthansa questioned whether such analysis is possible.
Accordingly, no sensitivity analysis is required.
The financial sustainability analysis is based on undiscounted cash-flow projections.

Alternatives:

factor analysis is employed
factor analysis is utilized

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factor analysis are used vs factor analysis is used