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How to force R to use a specified factor level as reference in a regression?

...e the relevel() function. Here is an example: set.seed(123) x <- rnorm(100) DF <- data.frame(x = x, y = 4 + (1.5*x) + rnorm(100, sd = 2), b = gl(5, 20)) head(DF) str(DF) m1 <- lm(y ~ x + b, data = DF) summary(m1) Now alter the factor b in DF by use of t...
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Is there an easy way to pickle a python function (or otherwise serialize its code)?

...string) func = types.FunctionType(code, globals(), "some_func_name") func(10) # gives 100 A few caveats: marshal's format (any python bytecode for that matter) may not be compatable between major python versions. Will only work for cpython implementation. If the function references globals (in...
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Rails: where does the infamous “current_user” come from?

... 10 Yes, current_user uses session. You can do something similar in your application controller if ...
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Check if pull needed in Git

... | edited Dec 7 '18 at 23:10 answered Jul 19 '10 at 4:18 Ne...
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“use database_name” command in PostgreSQL

...hole different ballgame. – mpen May 10 '12 at 3:40  |  show ...
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Principles for Modeling CouchDB Documents

... those documents in the map/reduce output: {"rows":[ {"key":["123412804910820", "post"], "value":null}, {"key":["123412804910820", "author", "Lance1231"], "value":{"_id":"Lance1231"}}, {"key":["123412804910820", "comment", "comment1"], "value":{"_id":"comment1"}}, {"key":["123412804910820",...
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android:drawableLeft margin and/or padding

... to left drawable only. – Fruit Jan 10 '19 at 18:51 add a comment  |  ...
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Python: finding an element in a list [duplicate]

... 10 Answers 10 Active ...
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How to convert list of tuples to multiple lists?

... answered Nov 10 '11 at 15:03 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...
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Are there constants in JavaScript?

... 1024 Since ES2015, JavaScript has a notion of const: const MY_CONSTANT = "some-value"; This wil...