大约有 2,373 项符合查询结果（耗时：0.0153秒） [XML]
How to remove outliers from a dataset
... from your data:
remove_outliers <- function(x, na.rm = TRUE, ...) {
qnt <- quantile(x, probs=c(.25, .75), na.rm = na.rm, ...)
H <- 1.5 * IQR(x, na.rm = na.rm)
y <- x
y[x < (qnt[1] - H)] <- NA
y[x > (qnt[2] + H)] <- NA
y
}
To see it in action:
set.seed(1)
x &l...
Redirecting to a certain route based on condition
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If you look at the network requests in chrome inspector the route that is being redirected (because the user is not logged in) still gets called and a response gets sent to the browser, and then the redirected path '/login' is called. So this method is n...
How do I grab an INI value within a shell script?
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Still useful and quicker for basic ini files.
– Cyril N.
Apr 21 '16 at 10:45
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sho...
What must I know to use GNU Screen properly? [closed]
...ocked up because you hit some random key combination by accident, do both ^Q and ^A ^Q to try to unlock it.
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
How can I achieve the equivalents of SQL's IN and NOT IN ?
9 Answers
9
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In Functional Programming, what is a functor?
... apples. Etc. tree and list are two Functors here.
– Qqwy
Jun 19 '16 at 21:34
3
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jQuery: Return data after ajax call success [duplicate]
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success and error are being deprecated in jQuery 1.8. You should start using .done() and .fail(). See the documentation.
– FibreChips
Jul 7 '17 at 20:45
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How do I compute derivative using Numpy?
...mbolic Differentiation
Compute derivatives by hand.
Finite differences require no external tools but are prone to numerical error and, if you're in a multivariate situation, can take a while.
Symbolic differentiation is ideal if your problem is simple enough. Symbolic methods are getting quite r...
What is the easiest way to duplicate an activerecord record?
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Does this still work in Rails 3.1.0.beta? When I do q = p.clone, and then p == q, I get true back. On the other hand, if I use q = p.dup, I get false back when comparing them.
– Juno Woods
Feb 8 '11 at 2:10
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Bash tool to get nth line from a file
...tail will be slow for a huge file. I would suggest sed like this:
sed 'NUMq;d' file
Where NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the li...