A source-backed Rankhog guide to r/datasets: public rules, community context, posting fit, and startup-promotion risk before you publish.
By Anthony Riera, founder and operator of Rankhog.
Subreddit guides combine public Reddit source URLs, captured rules, visible verification dates, and Rankhog's account-safety workflow.
Current public stats
Rules can change, so Rankhog keeps verification dates and the original public Reddit sources visible.
This community is for sharing, finding, and discussing datasets. People post datasets they have found or created, request datasets they need, and talk about data sources. The subreddit is practical and focused on useful data rather than opinions or news.
The rule titled No Spam/Self-promotion without disclosure matters most for a founder. It says any links to a site you own or work for count as self-promotion, you must not spam them, and you must add a disclaimer. Try to post Original Source matters too because it blocks blog posts that merely describe a dataset from another site. No Low-Effort Request posts means your title and body must be descriptive. Label all Synthetic/Artificial Datasets and Label all Paid Datasets both add title and flair requirements. All Surveys must be approved by Mods is important if you ever want to run a survey. No sharing/requesting Personally identifiable information (PII) is a hard line on personal data.
A good post is a real dataset shared at its original source. If you own or work for the site, add a clear disclaimer in the post. If the dataset is synthetic, put [Synthetic] in the title and use the synthetic flair. If it is paid, put [PAID] in the title. If you want to request a dataset, search the subreddit first for related posts, then write a descriptive self text post that explains exactly what information you need. Links to mirrors in comments are fine and appreciated.
Avoid anything the rule No Spam/Self-promotion without disclosure calls spam, meaning repeated links to your own site with no disclaimer. Do not post a blog that describes a dataset from another website, because Try to post Original Source says to link the original source instead. Avoid vague or short request posts, since No Low-Effort Request posts says low effort posts will be removed. Do not post a synthetic dataset without the [Synthetic] label and flair, and do not post a paid dataset without [PAID] in the title. Never post an unapproved survey or one that collects identifying information, per All Surveys must be approved by Mods. Do not share or request datasets with personally identifiable information, per No sharing/requesting Personally identifiable information (PII).
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Yes, but you must disclose your ownership or affiliation and avoid spamming. The rule titled No Spam/Self-promotion without disclosure requires a disclaimer whenever you link to a site you own or work for.
Surveys are not the focus of this subreddit. They must be approved by mods before posting, and any survey that gathers identifying information is not allowed. The community only permits surveys when you also release the data collected.
You must label it in the title and flair it with [Synthetic]. The rule Label all Synthetic/Artificial Datasets requires this for any dataset not produced by actual measurement.
Use the title with [PAID] as required by the rule Label all Paid Datasets, link to the original source, and disclose your affiliation if you own or work for the site.
Search the subreddit first using your topic and synonymous words. Then make a descriptive self text post specifying the information you need, as required by No Low-Effort Request posts.
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