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Finding row index containing maximum value using R
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The advantage of this approach is that you can change the conditional inside to anything you need. Also, using col(y) and location of the hanging comma you can also extract columns.
y[,col(y)[y==max(y)]]
To find just the row for the max in a particular column, say column 2 you could use:
seq(...
How to calculate a mod b in Python?
...is exactly what python returns:
>>> 15 % 4
3
a %= b is also valid.
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How to get the first line of a file in a bash script?
...t to read -r var <file than cat file | read anyhow, even if the latter didn't fail for the reasons described in BashFAQ #24.
– Charles Duffy
Aug 1 '17 at 16:21
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Add zero-padding to a string
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Create array of symbols
...what bizarro syntax Ruby has thrown at us this time. I highly recommend avoiding obscure language features when perfectly readable alternatives exist, i.e. [:address, :city, :state].
– Alex
Aug 9 '16 at 5:48
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How can I define a composite primary key in SQL?
...te primary key. It is defined as follows:
CREATE TABLE voting (
QuestionID NUMERIC,
MemberID NUMERIC,
PRIMARY KEY (QuestionID, MemberID)
);
The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHER...
How do I use Nant/Ant naming patterns?
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How to programmatically display version/build number of target in iOS app?
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Detect if a jQuery UI dialog box is open
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Add a class to said dialogs, then change the selector on your isOpen check.
– Suipaste
Aug 19 '15 at 15:41
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Hiding the legend in Google Chart
I am using the Google charts API. Is there a way to hide the legend for a scatter plot?
5 Answers
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