大约有 30,000 项符合查询结果（耗时：0.0299秒） [XML]
How to remove outliers from a dataset
...rs <- 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 <- rnorm(100)
x <- c(-10, x...
What does __FILE__ mean in Ruby?
...
GeoffGeoff
3,63922 gold badges2525 silver badges2424 bronze badges
87
...
Colon (:) in Python list index [duplicate]
...
|
edited May 25 at 9:49
BUFU
941010 bronze badges
answered Oct 25 '10 at 6:53
...
How to correctly sort a string with a number inside? [duplicate]
...g1",
"something12",
"something17",
"something2",
"something25",
"something29"]
alist.sort(key=natural_keys)
print(alist)
yields
['something1', 'something2', 'something12', 'something17', 'something25', 'something29']
PS. I've changed my answer to use Toothy's implementation...
PHP date yesterday [duplicate]
...
225
date() itself is only for formatting, but it accepts a second parameter.
date("F j, Y", time()...
Differences for a certain folder between git branches [duplicate]
...
answered Aug 25 '12 at 16:23
jolivierjolivier
6,12033 gold badges2525 silver badges4444 bronze badges
...
How to grep a string in a directory and all its subdirectories? [duplicate]
...
answered Mar 25 '13 at 18:42
John KugelmanJohn Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
...
How to pass dictionary items as function arguments in python? [duplicate]
...
|
edited Feb 25 at 22:25
Foad
5,96255 gold badges2929 silver badges9090 bronze badges
answe...
Using @include vs @extend in Sass?
... |
edited Oct 9 '19 at 10:25
hlovdal
22.3k1010 gold badges7575 silver badges144144 bronze badges
answere...
How to define a custom ORDER BY order in mySQL
..., appears at the end?
– Pathros
Mar 25 '15 at 18:51
Put the query with GROUP BY in a subquery, and order it in the out...