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pull out p-values and r-squared from a linear regression

... need. The beta, se, t and p vectors are stored in it. Get the p-values by selecting the 4th column of the coefficients matrix (stored in the summary object): summary(fit)$coefficients[,4] summary(fit)$r.squared Try str(summary(fit)) to see all the info that this object contains. Edit: I had ...
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Real-world examples of recursion [closed]

...( because you want to stop this fast ). After processing a given person, select the person from the front of the queue and apply immunization if needed. Get all their contacts previously unvisited, and then test to see if they're infected. Repeat until the queue of infected people becomes 0, and...
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Start a git commit message with a hashmark (#)

...y that behavior is wanted. git 2.0.x/2.1 (Q3 2014) will add an automatic selection for core.commentChar: See commit 84c9dc2 When core.commentChar is "auto", the comment char starts with '#' as in default but if it's already in the prepared message, find another char in a small subset. This should...
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Convert data.frame columns from factors to characters

... can create a logical vector of which columns are factors, and use that to selectively apply factor f <- sapply(bobf, class) == "factor" bobc[,f] <- lapply(bobc[,f], factor) share | improve ...
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event.preventDefault() vs. return false

... event handlers for parent elements). Default = browser code (links, text selection, etc.) – Bob Stein Jul 28 '13 at 14:49 5 ...
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CodeIgniter: Create new helper?

... $ci=& get_instance(); $ci->load->database(); $sql = "select * from table"; $query = $ci->db->query($sql); $row = $query->result(); } share | improve this ans...
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How do I truncate a .NET string?

...inqpad extension methods) var val = string.Concat(Enumerable.Range(0, 50).Select(i => i % 10)); foreach(var limit in new[] { 10, 25, 44, 64 }) new Perf<string> { { "newstring" + limit, n => new string(val.Take(limit).ToArray()) }, { "concat" + limit, n => string....
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Chrome doesn't delete session cookies

...issue in Firefox if you have the "Show my windows and tabs from last time" selection for the "When Firefox starts" pulldown in options. For the same reason. By design, session cookies are being retained to help keep workflow in the event of a browser crash. – webnesto ...
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What are some methods to debug Javascript inside of a UIWebView?

...e sure "Show Develop Menu in Menubar" is on. From the Menu-bar (of Safari) select Develop -> iPhone Simulator -> [your webview page]. That's it ! share | improve this answer | ...
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“Active Directory Users and Computers” MMC snap-in for Windows 7?

...indows Features dialog box, expand Remote Server Administration Tools. Select the remote management tools that you want to install. share | improve this answer | foll...