The phrase "a more comprehensive dataset" is correct and usable in written English.
You can use it when discussing data that is extensive and covers a wide range of information or variables.
Example: "In order to improve our analysis, we need to gather a more comprehensive dataset that includes various demographic factors."
Alternatives: "a broader dataset" or "a more extensive dataset."
In particular, they may reduce transaction costs and improve decision-making by using or providing a more comprehensive dataset than that to which established financial intermediaries have access.
This lack of area extent information may limit the type of analysis possible using this dataset, but the point estimates of population size is a first step towards developing a more comprehensive dataset of urban extent.
To do so adequately, one would require a more comprehensive dataset.
"Apple agrees that companies should share de-identified scenario and dynamics data from crashes and near-misses…By sharing data, the industry will build a more comprehensive dataset than any one company could create alone….
Second, Furstenberg's data consist of a 30-percent sample of SAT takers, while we have obtained a more comprehensive dataset containing all Californian test takers, all black and Hispanic test takers nationwide, and a 25-percent sample of the remaining non-Californian whites.
Rapid progress in eukaryote genome sequence projects provides an ideal opportunity to revisit these questions with the benefit of a more comprehensive dataset.
The second dataset we investigated is from a much more comprehensive dataset which were generated using a total of 169 microsatellites with world-wide sampling of different rice subspecies.
Over the next two years, the aim is to identify signatures for all approved drugs in America and build up a much more comprehensive dataset.
Re-evaluating the honeycreeper phylogeny with a larger, more comprehensive dataset will allow researchers to investigate the pattern and tempo of evolution in this radiation.
Moreover, we used a much more comprehensive dataset of C domain subsequences (525, as opposed to Roongasawang et al.'s 162) compiled from all complete bacterial genomes and biosynthesis clusters.
Some of the heterogeneities might have been reduced in a larger and more comprehensive dataset, allowing for a better overall picture.
