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How do I delete rows in a data frame?
...he '-' operator.
So, assuming the data.frame is called myData:
myData[-c(2, 4, 6), ] # notice the -
Of course, don't forget to "reassign" myData if you wanted to drop those rows entirely---otherwise, R just prints the results.
myData <- myData[-c(2, 4, 6), ]
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How do I capture the output into a variable from an external process in PowerShell?
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JNKJNK
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
I want to use my Amazon ec2 instance but faced the following error:
29 Answers
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Multiple glibc libraries on a single host
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It is very possible to have multiple versions of glibc on the same system (we do that every da...
How to set a Timer in Java?
How to set a Timer, say for 2 minutes, to try to connect to a Database then throw exception if there is any issue in connection?
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How to use the 'sweep' function
...ation defined by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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Android WebView style background-color:transparent ignored on android 2.2
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C# LINQ find duplicates in List
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edited Mar 28 '18 at 5:05
Vadim Ovchinnikov
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Open popup and refresh parent page on close popup
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You can access parent window using 'window.opener', so, write something like the following in ...
Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
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