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Overlaying histograms with ggplot2 in R
... concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == 'b'),fi...
How to hide elements without having them take space on the page?
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– Alejandro C De Baca
Mar 16 '18 at 20:42
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show 4 more comments
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How do I detect when someone shakes an iPhone?
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edited Oct 28 '11 at 20:42
logancautrell
8,67233 gold badges3636 silver badges5050 bronze badges
an...
Fixed stroke width in SVG
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Zach Saucier
20.4k1010 gold badges6868 silver badges120120 bronze badges
answered Aug 20 '09 at 7:49
Erik Dahlstr...
How can I escape a double quote inside double quotes?
... PeterPeter
108k4646 gold badges166166 silver badges203203 bronze badges
9
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Apply multiple functions to multiple groupby columns
...9560 0.600644 0.613445 0.242893 0
1 0.323911 0.464584 0.107215 0.204072 0.927325 0
2 0.321358 0.076037 0.166946 0.439661 0.914612 1
3 0.133466 0.447946 0.014815 0.130781 0.268290 1
In [26]: f = {'A':['sum','mean'], 'B':['prod']}
In [27]: df.groupby('GRP').agg(f)
Out[2...
What is the purpose of Rank2Types?
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edited Aug 20 '12 at 3:23
answered Aug 20 '12 at 3:14
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Inspect element that only appear when other element is mouse overed/entered
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It's fairly easy in Chrome 38.0.2094.0.
Here's what it'll look like:
Step-by-step:
Open the DevTools in the Sources panel
Make the tooltip appear by hovering over the button
Press F8 to freeze the page
Switch to the Elements panel and use the magnifyin...
How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
...wing values
IMAGE_FILE_MACHINE_I386 (0x014c)
IMAGE_FILE_MACHINE_IA64 (0x0200)
IMAGE_FILE_MACHINE_AMD64 (0x8664)
This information should be at a fixed offset in the file, but I'd still recommend traversing the file and checking the signature of the MS-DOS header and the IMAGE_NT_HEADERS to be sur...