The phrase "a comprehensive global dataset" is correct and usable in written English.
You can use it when referring to a dataset that is extensive and covers data from around the world.
Example: "The research relies on a comprehensive global dataset to analyze climate change patterns."
Alternatives: "an extensive worldwide dataset" or "a thorough international dataset".
Here we map out the worldwide distribution and thicknesses of such self-sealing strata using a comprehensive, global dataset of deep-sea sediment cores in combination with digital grids of ocean floor heat flow, bathymetry, and sediment thickness.
(Our inability to translate mapped land covers into habitat types and a lack of a comprehensive, global dataset on species-land cover suitabilities makes it impossible for us to model changes in global habitat; see the Discussion section for more details).
By consolidating these existing data sources and collecting new primary data, the authors endeavored to create the most comprehensive global dataset on dams with high spatial and temporal resolution to inform policy through rigorous research and to connect the public through outreach, education, and communication.
To our knowledge this is the largest, most comprehensive global dataset for both Ae. aegypti and Ae. albopictus.
Therefore, it is clear that this dataset alone is not a comprehensive global representation of urban populations through time.
A similar benefit may result from the development and adoption of a comprehensive global taxonomy.
This suggests a comprehensive global study is necessary to resolve the evolutionary history of this complex.
The most comprehensive assessment of growth and tree diversity was made by Liang et al. (2016) who observe, after filtering a large global dataset, that productivity increased with biodiversity (Fig. 7).
With a georeferenced global dataset [12], a study on the geographical analysis at the global scale is now possible [45].
Nevertheless, the robustness of this result from a global dataset warrants further study". Indeed it does.
There are massive barriers to entry because it's difficult to amass a global dataset of significance.
