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Remove NA values from a vector
...tc.)
Setting na.rm=TRUE does just what you're asking for:
d <- c(1, 100, NA, 10)
max(d, na.rm=TRUE)
If you do want to remove all of the NAs, use this idiom instead:
d <- d[!is.na(d)]
A final note: Other functions (e.g. table(), lm(), and sort()) have NA-related arguments that use diff...
Programmatically trigger “select file” dialog box
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10
Update: In modern browsers you can click an input that's not even in the DOM. Awesome!
– Adria
Oct 8...
FTP/SFTP access to an Amazon S3 Bucket [closed]
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103
There are three options.
You can use a native managed SFTP service recently added by Amazon...
Get Android Device Name [duplicate]
...ves the device's model number and not the device's name. For example, GT-I9100 instead of Samsung Galaxy S2. If you want the model's name, you'll have to provide your own list and match it against a combination of android.os.Build.MANUFACTURER + android.os.Build.PRODUCT.
– Chuo...
Restoring Nuget References?
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jmfenolljmfenoll
3,48511 gold badge1010 silver badges55 bronze badges
10
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XmlSerializer: remove unnecessary xsi and xsd namespaces
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– Dave Van den Eynde
May 19 '09 at 12:10
3
2. This pollutes the classes more. My objective is not t...
List comprehension in Ruby
...mprehensionTest < ActionController::PerformanceTest
TEST_ARRAY = (1..100).to_a
def test_map_compact
1000.times do
TEST_ARRAY.map{|x| x % 2 == 0 ? x * 3 : nil}.compact
end
end
def test_select_map
1000.times do
TEST_ARRAY.select{|x| x % 2 == 0 }.map{|x| x * 3}
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How to replace a set of tokens in a Java String?
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10
This is how I would do it, except I would use Matcher's appendReplacement() and appendTail() methods to copy the unmatched text; there's no...
Private pages for a private Github repo
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10 Answers
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