Last data update: 2014.03.03
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R: Standard-evaluation version of 'extract'.
Standard-evaluation version of extract .
Description
This is a S3 generic.
Usage
extract_(data, col, into, regex = "([[:alnum:]]+)", remove = TRUE,
convert = FALSE, ...)
Arguments
data |
A data frame.
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col |
Name of column to split, as string.
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into |
Names of new variables to create as character vector.
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regex |
a regular expression used to extract the desired values.
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remove |
If TRUE , remove input column from output data frame.
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convert |
If TRUE , will run type.convert with
as.is = TRUE on new columns. This is useful if the component
columns are integer, numeric or logical.
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... |
Other arguments passed on to regexec to control
how the regular expression is processed.
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Results
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