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Remove NA values from a vector
..., etc.)
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 d...
How to change the default font size in ggplot2
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118
Use theme_set()
theme_set(theme_gray(base_size = 18))
qplot(1:10, 1:10)
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How to Delete using INNER JOIN with SQL Server?
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How to reload apache configuration for a site without restarting apache
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187
should be possible using the command
sudo /etc/init.d/apache2 reload
hope that helps
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Extract a dplyr tbl column as a vector
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188
With dplyr 0.7.0, you can use pull to get a vector from a tbl.
library("dplyr")
#>
#&g...
How do I get a UTC Timestamp in JavaScript?
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dplyr: “Error in n(): function should not be called directly”
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120
I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not ...
How to extract numbers from a string in Python?
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convert UIImage to NSData
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edited May 10 '19 at 17:02
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