R drop columns

#drop columns by index
df <- mydata[ -c(1,3:4) ]
#drop columns by name
df = subset(mydata, select = -c(x,z))

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Jason Martinez 75 points

                                    undesired &lt;- c('mpg', 'cyl', 'hp')

mtcars &lt;- mtcars %&gt;%
  select(-one_of(undesired))

Thank you! 10

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