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How to force R to use a specified factor level as reference in a regression?
...
See 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 ...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...works for submit-input-images, they stay clickable.
See live demo: http://www.audenaerde.org/csstricks.html#imagereplacecss
Enjoy!
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What is the function of the push / pop instructions used on registers in x86 assembly?
...lues, allowing push and pop to execute in a single uop. Also mentioned at: https://en.wikipedia.org/wiki/Stack_register
What is Intel microcode?
https://security.stackexchange.com/questions/29730/processor-microcode-manipulation-to-change-opcodes
How many CPU cycles are needed for each assembly inst...
How to run a single test from a rails test suite?
...e tests in one file)
rails test -n /TopicsControllerTest/ -v
look here
https://stackoverflow.com/a/41183694/3626659
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How to get a list of installed android applications and pick one to run
...ng with a server. Is there any guidelines?
– dowjones123
Jun 30 '15 at 20:07
1
@dowjones123 Did u...
Automatically start forever (node) on system restart
...ul stop. This script provisions the logrotate script as well.
Github url: https://github.com/zapty/forever-service
NOTE: I am the author of forever-service.
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How to generate gcc debug symbol outside the build target?
...n.debug
For details:
(gdb) help exec-file
(gdb) help symbol-file
Ref:
https://sourceware.org/gdb/onlinedocs/gdb/Files.html#Files
https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
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Best approach for designing F# libraries for use from both F# and C#
...eUploader: {
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How can I change the color of my prompt in zsh (different from normal text)?
...s Colors.
First of all, here we can find 3-digit codes for various colors: https://unix.stackexchange.com/a/124409/194343.
For example, 214 is some kind of orange color.
Foreground and Background.
The other key information is that for Foreground and bacKground colors one can define what they want w...
Replace spaces with dashes and make all letters lower-case
...S's answer is just fine, but I want to note that you can use this package: https://github.com/sindresorhus/slugify, which does it for you and covers many edge cases (i.e., German umlauts, Vietnamese, Arabic, Russian, Romanian, Turkish, etc.).
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