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Changing column names of a data frame

... 600 Use the colnames() function: R> X <- data.frame(bad=1:3, worse=rnorm(3)) R> X bad ...
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Chrome DevTools Devices does not detect device when plugged in

... 30 Answers 30 Active ...
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Can't stop rails server

... 305 You can use other ports like the following: rails server -p 3001 Normally in your terminal y...
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How to Add a Dotted Underline Beneath HTML Text

...> <style type="text/css"> u { border-bottom: 1px dotted #000; text-decoration: none; } </style> </head> <!-- Body, content here --> </html> share | imp...
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Insert space before capital letters

... 170 You can just add a space before every uppercase character and trim off the leading and trailing ...
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?

... However, when I install Java SE 6, I get a JVM that reports as version 11.0! Who can solve the madness? 6 Answers ...
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2

...been replaced by the ggpairs() function from the GGally package as @naught101 suggests in another response below to this question. share | improve this answer | follow ...
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Split list into smaller lists (split in half)

... answered Apr 15 '09 at 15:49 Jason CoonJason Coon 14.4k99 gold badges3535 silver badges4949 bronze badges ...
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Is it possible to center text in select box?

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Parcelable encountered IOException writing serializable object getactivity()

... answered Apr 17 '14 at 20:43 CommonsWareCommonsWare 873k161161 gold badges21332133 silver badges21602160 bronze badges ...