The phrase "a more extensive set" is correct and usable in written English.
It can be used when referring to a larger or more comprehensive collection of items, data, or information.
Example: "In our research, we found that a more extensive set of data is needed to draw accurate conclusions."
Alternatives: "a broader range" or "a larger collection".
Our experimental results provide evidence that our domain analysis is effective at identifying a more extensive set of invariants, which results in the generation of fewer multi-valued state variables.
In exchange, the SEC has proposed requiring companies issuing securities in Tier 2 offerings to comply with a more extensive set of rules than those offering securities under Tier 1.
To describe the demographic, clinical, and attitudinal characteristics of people vaccinated by pharmacists, using a multistate sample of pharmacists and a more extensive set of parameters than previous studies.
41 I do not foreclose the possibility that a change of substrate could, as part of a more extensive set of changes, amount to reproduction in a new form (perhaps, for example, if the respondent's work were incorporated by the ink transfer method into some other artist's original work) but the present case does not rise to that level.
The multi-bit embedding method designed by the authors in [6] is further explored in the following, and a more extensive set of experimental results is here presented.
Future work will consider a more extensive set of state-of-the-art TMOs in order to verify if there are TMOs that can minimize these negative effects.
Compared with previous studies, we will use a much more extensive set of ground magnetometer stations over a wide latitude range.
If both life sciences and physical science faculty were supportive, however, one could imagine implementing a much more comprehensive set of reforms, including enforcing a much more extensive set of course prerequisites, including chemistry and biology (e.g., see the University of Maryland's Project NEXUS [ Redish, 2012]).
Other resources such as the IARC TP53 database (Olivier et al, 2002) give a far more extensive set of TP53 data.
The results from CORAL set 1 motivated a second, more extensive set of calculations designed to test the idea that the CTDUF mimics the type A PutA dimer interface (CORAL set 2).
The conceptualization process has led to a much richer and more extensive set of concepts relevant to assessing the needs of people with back pain than is captured in the outcome tools previously applied.
