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How to split data into training/testing sets using sample function
...ple example:
data(mtcars)
## 75% of the sample size
smp_size <- floor(0.75 * nrow(mtcars))
## set the seed to make your partition reproducible
set.seed(123)
train_ind <- sample(seq_len(nrow(mtcars)), size = smp_size)
train <- mtcars[train_ind, ]
test <- mtcars[-train_ind, ]
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How to architect an Ember.js application
... with the evolution of Ember JS as its approached (and reached!) version 1.0.0. Tutorials and documentation have come and gone, leading to a lot of confusion about best practices and the intent of the original developers.
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Could not load file or assembly 'System.Data.SQLite'
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edited Aug 27 '09 at 14:00
answered Aug 15 '09 at 13:27
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How to add an image to a JPanel?
...(Graphics g) {
super.paintComponent(g);
g.drawImage(image, 0, 0, this); // see javadoc for more info on the parameters
}
}
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What is the difference between RegExp’s exec() function and String’s match() function?
... Ry-♦Ry-
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How do I shutdown, restart, or log off Windows via a bat file?
...getting stuck.
-t <seconds> — Sets the time until shutdown. Use -t 0 to shutdown immediately.
-c <message> — Adds a shutdown message. The message will end up in the Event Log.
-y — Forces a "yes" answer to all shutdown queries.
Note: This option is not documented in any official d...
Generate an integer that is not among four billion given ones
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530
Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how m...
Changing website favicon dynamically
....stackoverflow.com/favicon.ico';
document.getElementsByTagName('head')[0].appendChild(link);
})();
Firefox should be cool with it.
edited to properly overwrite existing icons
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What does ':' (colon) do in JavaScript?
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answered Jan 7 '09 at 0:55
yfeldblumyfeldblum
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Getting name of the class from an instance
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answered Feb 7 '10 at 17:33
CiNNCiNN
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