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Attributes can be extracted using the `slot()` command. \n+Metadata can be extracted individually using the `class()`, `length()`, ","path":"01-shapefile-attributes.Rmd","position":69,"original_position":69,"commit_id":"fe78c90721da2bf0262e918c9025d3057c3fce8c","original_commit_id":"fe78c90721da2bf0262e918c9025d3057c3fce8c","user":{"login":"lwasser","id":7649194,"avatar_url":"https://avatars.githubusercontent.com/u/7649194?v=3","gravatar_id":"","url":"https://api.github.com/users/lwasser","html_url":"https://github.com/lwasser","followers_url":"https://api.github.com/users/lwasser/followers","following_url":"https://api.github.com/users/lwasser/following{/other_user}","gists_url":"https://api.github.com/users/lwasser/gists{/gist_id}","starred_url":"https://api.github.com/users/lwasser/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lwasser/subscriptions","organizations_url":"https://api.github.com/users/lwasser/orgs","repos_url":"https://api.github.com/users/lwasser/repos","events_url":"https://api.github.com/users/lwasser/events{/privacy}","received_events_url":"https://api.github.com/users/lwasser/received_events","type":"User","site_admin":false},"body":"    length() #not capitalized","created_at":"2015-11-10T00:54:03Z","updated_at":"2015-11-10T00:54:03Z","html_url":"https://github.com/data-lessons/NEON-R-Spatial-Vector/pull/34#discussion_r44357068","pull_request_url":"https://api.github.com/repos/data-lessons/NEON-R-Spatial-Vector/pulls/34","_links":{"self":{"href":"https://api.github.com/repos/data-lessons/NEON-R-Spatial-Vector/pulls/comments/44357068"},"html":{"href":"https://github.com/data-lessons/NEON-R-Spatial-Vector/pull/34#discussion_r44357068"},"pull_request":{"href":"https://api.github.com/repos/data-lessons/NEON-R-Spatial-Vector/pulls/34"}}},"pull_request":{"url":"https://api.github.com/repos/data-lessons/NEON-R-Spatial-Vector/pulls/34","id":50197479,"html_url":"https://github.com/data-lessons/NEON-R-Spatial-Vector/pull/34","diff_url":"https://github.com/data-lessons/NEON-R-Spatial-Vector/pull/34.diff","patch_url":"https://github.com/data-lessons/NEON-R-Spatial-Vector/pull/34.patch","issue_url":"https://api.github.com/repos/data-lessons/NEON-R-Spatial-Vector/issues/34","number":34,"state":"open","locked":false,"title":"Updates on 9 Nov. 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I was confused by some of the descriptions in 00 and added content, then it seemed to overlap with 01 too much.  I cut some of it.  There may still be too much overlap.  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