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Linear Regression and group by in R

...o a linear regression in R using the lm() function. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then ...
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk

How can I get programmatically get the version code or version name of my apk from the AndroidManifest.xml file after downloading it and without installing it. ...
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What's the best way to parse command line arguments? [closed]

...string", default="spam") It pretty much speaks for itself; at processing time, it will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is also self-documenting in that you declare the help argument (which will be...
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Convert all first letter to upper case, rest lower for each word

I have a string of text (about 5-6 words mostly) that I need to convert. 11 Answers 11...
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How to adjust an UIButton's imageSize?

... Save yourself some time and make sure you are setting image not background image! @SeongLee is correct you can't manipulate background image with contentMode or EdgeInserts – redPanda Aug 15 '19 at 12:07 ...
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What is the difference between Scrum and Agile Development? [closed]

...ions I would suggest: Sprint planning is the first event inside the sprint timebox. Sprints don't have gaps so nothing comes before a sprint. – Ryan Cromwell Jul 13 '12 at 13:46 ...
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PHP: exceptions vs errors?

... That would be helpful. Anything to ease the times I'm made to deal with PHP will help. :-) – Jason Baker May 9 '09 at 14:42 ...
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When should I use C++14 automatic return type deduction?

...lt;F>(f), forward<Tuple>(t), Indices{}); } However, most of the time, it is better to keep that return type. In the particular case that I described above, the return type is rather unreadable and a potential user won't gain anything from knowing it. A good documentation with examples wil...
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What's the best way to iterate over two or more containers simultaneously

...e end of the other container; or one step of the first container for every time you completely go through the other container then start over; or some other pattern; or more than two containers at a time; etc ... However, if you wanted to make your own "for_each" style function that iterates throug...
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Redirect stdout pipe of child process in Go

...exited. (That's a problem because this server-like program runs for a long time and I want to read the log output) 3 Answer...