ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount" } ], "id": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/activity", "type": "Create", "actor": "https://fosstodon.org/users/vincentab", "published": "2022-11-23T11:03:02Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://fosstodon.org/users/vincentab/followers", "https://mastodon.social/users/Norcalbiostat" ], "object": { "id": "https://fosstodon.org/users/vincentab/statuses/109392781828898602", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/Norcalbiostat/statuses/109391905858109077", "published": "2022-11-23T11:03:02Z", "url": "https://fosstodon.org/@vincentab/109392781828898602", "attributedTo": "https://fosstodon.org/users/vincentab", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://fosstodon.org/users/vincentab/followers", "https://mastodon.social/users/Norcalbiostat" ], "sensitive": false, "atomUri": "https://fosstodon.org/users/vincentab/statuses/109392781828898602", "inReplyToAtomUri": "https://mastodon.social/users/Norcalbiostat/statuses/109391905858109077", "conversation": "tag:mastodon.social,2022-11-23:objectId=340250334:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Norcalbiostat\" class=\"u-url mention\">@<span>Norcalbiostat</span></a></span> Say X is binary, what value of X generated Yhat_cf? You just flip the switch for every observation? If you do that, then you’ll be averaging unit level effects of increases from 0 to 1 with unit level effects of decreases from 1 to 0, which would cancel out. Normally, what you really want is the average difference on “potential outcomes”: mean(Yhat_{X=1}-Yhat_{X=0})</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Norcalbiostat\" class=\"u-url mention\">@<span>Norcalbiostat</span></a></span> Say X is binary, what value of X generated Yhat_cf? You just flip the switch for every observation? If you do that, then you’ll be averaging unit level effects of increases from 0 to 1 with unit level effects of decreases from 1 to 0, which would cancel out. Normally, what you really want is the average difference on “potential outcomes”: mean(Yhat_{X=1}-Yhat_{X=0})</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/Norcalbiostat", "name": "@Norcalbiostat@mastodon.social" } ], "replies": { "id": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/replies?min_id=109392792526288765&page=true", "partOf": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/replies", "items": [ "https://fosstodon.org/users/vincentab/statuses/109392792526288765" ] } }, "likes": { "id": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://fosstodon.org/users/vincentab/statuses/109392781828898602/shares", "type": "Collection", "totalItems": 0 } } }