{
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    "uri": "at://did:plc:wwyqal4cnqhuwyacdj7rqq3n/app.bsky.feed.post/3mjfqjw6tygw2"
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  "path": "/t/sample-size-in-prognostic-factor-research/28591#post_7",
  "publishedAt": "2026-04-11T21:56:12.000Z",
  "site": "https://discourse.datamethods.org",
  "textContent": "JiaqiLi:\n\n> don’t calculate the sample size after data collection\n\nwhy not? formulas could be used in restropective data to choose how many parameters one can consider",
  "title": "Sample size in prognostic factor research"
}