大约有 43,000 项符合查询结果（耗时：0.0346秒） [XML]
Cluster analysis in R: determine the optimal number of clusters
...rst, some reproducible data (the data in the Q are... unclear to me):
n = 100
g = 6
set.seed(g)
d <- data.frame(x = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))),
y = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))))
plot(d)
One. Look for a bend or elbo...
Plot a legend outside of the plotting area in base graphics?
...ng keyword "topright").
# Random data to plot:
A <- data.frame(x=rnorm(100, 20, 2), y=rnorm(100, 20, 2))
B <- data.frame(x=rnorm(100, 21, 1), y=rnorm(100, 21, 1))
# Add extra space to right of plot area; change clipping to figure
par(mar=c(5.1, 4.1, 4.1, 8.1), xpd=TRUE)
# Plot both groups
p...
How to pass a view's onClick event to its parent on Android?
...
Oh man if I could give this +100 I would. Been trying to figure out how to make a click only work in a ViewPager and not in the adapters layout with TouchImageView implementing onTouch! This solution worked like a charm.
– JPM
...
Scatterplot with marginal histograms in ggplot2
...h of the ggplot objects:
hist_top <- ggplot()+geom_histogram(aes(rnorm(100)))
empty <- ggplot()+geom_point(aes(1,1), colour="white")+
theme(axis.ticks=element_blank(),
panel.background=element_blank(),
axis.text.x=element_blank(), axis.text.y=element_b...
Is it possible to have multiple statements in a python lambda expression?
...1]))))
>>> from random import shuffle
>>> l = list(range(100))
>>> shuffle(l)
>>> f(l)
[84, 58, 7, 99, 17, 14, 60, 35, 12, 56, 26, 48, 55, 40, 28, 52, 31, 39, 43, 96, 64, 63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98...
How does one make random number between range for arc4random_uniform()?
...i - mini)) - offset
}
}
use like
var aRandomInt = Int.random(-500...100) // returns a random number within the given range.
or define it as a Range extension as property like this:
extension Range
{
var randomInt: Int
{
get
{
var offset = 0
...
Making button go full-width?
...Not using BS anymore but try form-control class. It appears to make things 100% wide in the samples.
– CodeAngry
Oct 16 '13 at 18:11
...
Positioning element at center of screen
...;
left: 50%;
margin-top: -50px;
margin-left: -50px;
width: 100px;
height: 100px;
}
Please don't use inline styles! Here is a working example http://jsfiddle.net/S5bKq/.
share
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...
String.Join method that ignores empty strings?
...rver it's possible (PS: that's sarcasm):
DECLARE @in_SearchTerm1 nvarchar(100)
DECLARE @in_SearchTerm2 nvarchar(100)
DECLARE @in_SearchTerm3 nvarchar(100)
DECLARE @in_SearchTerm4 nvarchar(100)
SET @in_SearchTerm1 = N'a'
SET @in_SearchTerm2 = N''
SET @in_SearchTerm3 = N'c'
SET @in_SearchTerm4 =...
GCC -fPIC option
...e.
Pseudo-assembly:
PIC: This would work whether the code was at address 100 or 1000
100: COMPARE REG1, REG2
101: JUMP_IF_EQUAL CURRENT+10
...
111: NOP
Non-PIC: This will only work if the code is at address 100
100: COMPARE REG1, REG2
101: JUMP_IF_EQUAL 111
...
111: NOP
EDIT: In response to ...