The phrase "an additional category of" is correct and usable in written English.
It can be used when introducing or specifying a new category that complements existing ones in a discussion or analysis.
Example: "In our research, we identified an additional category of factors that influence consumer behavior."
Alternatives: "a supplementary category of" or "an extra category of".
Etiquette does grant limited free passes on the basis of understandable ignorance (notably in babies and foreigners) or inability (in cases of extreme illness), but Williams wants an additional category of permissible rudeness.
On December 18 , 2013 the Securities and Exchange Commission ("SEC") voted to propose amendments to its public offering rules to exempt an additional category of small capital raising efforts as mandated by Title IV of the Jumpstart Our Business Startups Act (the "JOBS Act").
The Supreme Court's decision in Ocasio, however, can be read to supplement McDonnell with an additional category of official acts a category that could well include certain tweets.
In Model M8A, an additional category of sites with ω = 1 was added to the null model M7 (Table 1).
Model M2a allows an additional category of sites with ω2 estimated from the data, thus accommodating positively selected sites.
We also provide an additional category of "extensions" to list the causative polypeptide segments that differentiate the "by sequence" and "by structure" definitions.
Rather than completely remove these observations from the analysis, we created an additional category for each of the categorical covariates based on these variables, and person-years with missing information on that covariate were assigned to that category (not the reference category).
Around 22% of patients had missing comorbidity data, and thus potentially excluded from models 3 and 4. In order to retain these patients in the analysis, an additional 'missing' category was included for the Charlson score in model 4. Each of the individual comorbidities was missing for the same patients, and thus it was not possible to include an additional category for each of these.
In cooperation with the province of Brabant, the power company successfully lobbied for the creation of an additional category in the 2011 national subsidy scheme for stimulating renewable energy production (SDE+), enabling these opportunities for by-product use with a subsidy at Cuijk.
We added an additional category at the upper end of sleep latency and we used half-hour intervals for total sleep time under five hours to detect what are likely to be meaningful differences for these two outcomes, based on clinical experience.
Therefore, an additional category was created for Fields of Science.
