If there is a repository for your discipline, then that should be your first choice for depositing your dataset in order to maximize its discoverability by others in your field. Some notable repositories are:
If the repositories listed above are not appropriate for your field of study you may find your discipline's listed in the searchable catalog of research data repositories:
If you can't find a repository appropriate for your field of study or other constraints prevent you from depositing your data into a disciplinary repository, you can deposit it into PDXScholar. Even if you do deposit your data elsewhere, you should provide information in the form linked below to allow PDXScholar to provide another access point to your dataset.