{"action":"created","comment":{"url":"https://api.github.com/repos/nilearn/nilearn/pulls/comments/51415218","id":51415218,"diff_hunk":"@@ -398,8 +398,8 @@ def fetch_adhd(n_subjects=None, data_dir=None, url=None, resume=True,\n     Parameters\n     ----------\n     n_subjects: int, optional\n-        The number of subjects to load. If None is given, all the\n-        40 subjects are used.\n+        The number of subjects to load from maximum of 40 subjects.\n+        If default None, only 30 subjects will be loaded.","path":"nilearn/datasets/func.py","position":7,"original_position":78,"commit_id":"3cd6c9a7fb398c7ad0ee618d3c121824ff6942f2","original_commit_id":"ad5b42959522cf691e083980f29d3404b7181b3f","user":{"login":"AlexandreAbraham","id":1647301,"avatar_url":"https://avatars.githubusercontent.com/u/1647301?v=3","gravatar_id":"","url":"https://api.github.com/users/AlexandreAbraham","html_url":"https://github.com/AlexandreAbraham","followers_url":"https://api.github.com/users/AlexandreAbraham/followers","following_url":"https://api.github.com/users/AlexandreAbraham/following{/other_user}","gists_url":"https://api.github.com/users/AlexandreAbraham/gists{/gist_id}","starred_url":"https://api.github.com/users/AlexandreAbraham/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AlexandreAbraham/subscriptions","organizations_url":"https://api.github.com/users/AlexandreAbraham/orgs","repos_url":"https://api.github.com/users/AlexandreAbraham/repos","events_url":"https://api.github.com/users/AlexandreAbraham/events{/privacy}","received_events_url":"https://api.github.com/users/AlexandreAbraham/received_events","type":"User","site_admin":false},"body":"> We want smaller datasets for the tutorials.\r\n\r\nThe original issue #897 talked about CircleCI, this is why I was puzzled.\r\n\r\n> If during a tutorial a user just types this function with no arguments, we want to download only 30 subjects, as it's enough for most things.\r\n\r\nWhat is puzzling me here is: Is nilearn a tool made for tutorials or for studies? People that wants to actually study this dataset may be puzzled by this behavior.\r\n\r\nI would be in favor of creating a `fetch_tutorial_adhd` for this special purpose. Because, if space is the only issue, I suggest to restrain the study to the lighter subjects. Here are some stats:\r\n\r\nDataset | Control/ADHD count | Size in MB\r\n----------|----------|------------\r\nFull ADHD | 20/20 | 1791.88\r\n30 first subjects of ADHD | 15/15 | 1305.22\r\n30 smaller subjects of ADHD | 16/14 | 1128.36\r\n24 smaller subjects of ADHD | 13/11 | 785.87\r\n15 smaller subjects of ADHD | 8/7 | 398.28","created_at":"2016-02-01T13:03:54Z","updated_at":"2016-02-01T13:03:54Z","html_url":"https://github.com/nilearn/nilearn/pull/970#discussion_r51415218","pull_request_url":"https://api.github.com/repos/nilearn/nilearn/pulls/970","_links":{"self":{"href":"https://api.github.com/repos/nilearn/nilearn/pulls/comments/51415218"},"html":{"href":"https://github.com/nilearn/nilearn/pull/970#discussion_r51415218"},"pull_request":{"href":"https://api.github.com/repos/nilearn/nilearn/pulls/970"}}},"pull_request":{"url":"https://api.github.com/repos/nilearn/nilearn/pulls/970","id":57811282,"html_url":"https://github.com/nilearn/nilearn/pull/970","diff_url":"https://github.com/nilearn/nilearn/pull/970.diff","patch_url":"https://github.com/nilearn/nilearn/pull/970.patch","issue_url":"https://api.github.com/repos/nilearn/nilearn/issues/970","number":970,"state":"open","locked":false,"title":"Change number of subjects in adhd from 40 to 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